diff --git a/fyo/model/doc.ts b/fyo/model/doc.ts
index aca8f76d..a1e4f8e2 100644
--- a/fyo/model/doc.ts
+++ b/fyo/model/doc.ts
@@ -44,7 +44,7 @@ import {
   TreeViewSettings,
   ValidationMap,
 } from './types';
-import { validateSelect } from './validationFunction';
+import { validateOptions, validateRequired } from './validationFunction';
 
 export class Doc extends Observable<DocValue | Doc[]> {
   name?: string;
@@ -308,11 +308,15 @@ export class Doc extends Observable<DocValue | Doc[]> {
   }
 
   async _validateField(field: Field, value: DocValue) {
-    if (field.fieldtype == 'Select') {
-      validateSelect(field as OptionField, value as string);
+    if (
+      field.fieldtype === FieldTypeEnum.Select ||
+      field.fieldtype === FieldTypeEnum.AutoComplete
+    ) {
+      validateOptions(field as OptionField, value as string, this);
     }
 
-    if (value === null || value === undefined) {
+    validateRequired(field, value, this);
+    if (getIsNullOrUndef(value)) {
       return;
     }
 
diff --git a/fyo/model/types.ts b/fyo/model/types.ts
index 89d92f49..1b2346df 100644
--- a/fyo/model/types.ts
+++ b/fyo/model/types.ts
@@ -1,6 +1,6 @@
 import { DocValue, DocValueMap } from 'fyo/core/types';
 import SystemSettings from 'fyo/models/SystemSettings';
-import { FieldType } from 'schemas/types';
+import { FieldType, SelectOption } from 'schemas/types';
 import { QueryFilter } from 'utils/db/types';
 import { Router } from 'vue-router';
 import { Doc } from './doc';
@@ -55,7 +55,7 @@ export type FiltersMap = Record<string, FilterFunction>;
 export type EmptyMessageFunction = (doc: Doc) => string;
 export type EmptyMessageMap = Record<string, EmptyMessageFunction>;
 
-export type ListFunction = (doc?: Doc) => string[];
+export type ListFunction = (doc?: Doc) => string[] | SelectOption[];
 export type ListsMap = Record<string, ListFunction | undefined>;
 
 export interface Action {
diff --git a/fyo/model/validationFunction.ts b/fyo/model/validationFunction.ts
index 9c51726c..8471dd2b 100644
--- a/fyo/model/validationFunction.ts
+++ b/fyo/model/validationFunction.ts
@@ -1,7 +1,10 @@
 import { DocValue } from 'fyo/core/types';
+import { getOptionList } from 'fyo/utils';
 import { ValidationError, ValueError } from 'fyo/utils/errors';
 import { t } from 'fyo/utils/translation';
-import { OptionField } from 'schemas/types';
+import { Field, OptionField } from 'schemas/types';
+import { getIsNullOrUndef } from 'utils';
+import { Doc } from './doc';
 
 export function validateEmail(value: DocValue) {
   const isValid = /(.+)@(.+){2,}\.(.+){2,}/.test(value as string);
@@ -17,9 +20,9 @@ export function validatePhoneNumber(value: DocValue) {
   }
 }
 
-export function validateSelect(field: OptionField, value: string) {
-  const options = field.options;
-  if (!options) {
+export function validateOptions(field: OptionField, value: string, doc: Doc) {
+  const options = getOptionList(field, doc);
+  if (!options.length) {
     return;
   }
 
@@ -29,12 +32,25 @@ export function validateSelect(field: OptionField, value: string) {
 
   const validValues = options.map((o) => o.value);
 
-  if (validValues.includes(value)) {
+  if (validValues.includes(value) || field.allowCustom) {
     return;
   }
 
   const labels = options.map((o) => o.label).join(', ');
-  throw new ValueError(
-    t`Invalid value ${value} for ${field.label}. Must be one of ${labels}`
-  );
+  throw new ValueError(t`Invalid value ${value} for ${field.label}`);
+}
+
+export function validateRequired(field: Field, value: DocValue, doc: Doc) {
+  if (!getIsNullOrUndef(value)) {
+    return;
+  }
+
+  if (field.required) {
+    throw new ValidationError(`${field.label} is required`);
+  }
+
+  const requiredFunction = doc.required[field.fieldname];
+  if (requiredFunction && requiredFunction()) {
+    throw new ValidationError(`${field.label} is required`);
+  }
 }
diff --git a/fyo/models/SystemSettings.ts b/fyo/models/SystemSettings.ts
index ad4a5b10..7eb5c327 100644
--- a/fyo/models/SystemSettings.ts
+++ b/fyo/models/SystemSettings.ts
@@ -1,8 +1,10 @@
 import { DocValue } from 'fyo/core/types';
 import { Doc } from 'fyo/model/doc';
-import { ValidationMap } from 'fyo/model/types';
+import { ListsMap, ValidationMap } from 'fyo/model/types';
 import { ValidationError } from 'fyo/utils/errors';
 import { t } from 'fyo/utils/translation';
+import { SelectOption } from 'schemas/types';
+import { getCountryInfo } from 'utils/misc';
 
 export default class SystemSettings extends Doc {
   validations: ValidationMap = {
@@ -16,4 +18,26 @@ export default class SystemSettings extends Doc {
       );
     },
   };
+
+  static lists: ListsMap = {
+    locale() {
+      const countryInfo = getCountryInfo();
+      return Object.keys(countryInfo)
+        .filter((c) => !!countryInfo[c]?.locale)
+        .map(
+          (c) =>
+            ({
+              value: countryInfo[c]?.locale,
+              label: `${c} (${countryInfo[c]?.locale})`,
+            } as SelectOption)
+        );
+    },
+    currency() {
+      const countryInfo = getCountryInfo();
+      const currencies = Object.values(countryInfo)
+        .map((ci) => ci?.currency as string)
+        .filter(Boolean);
+      return [...new Set(currencies)];
+    },
+  };
 }
diff --git a/fyo/utils/index.ts b/fyo/utils/index.ts
index 9ba16f4a..f59170df 100644
--- a/fyo/utils/index.ts
+++ b/fyo/utils/index.ts
@@ -2,6 +2,7 @@ import { Fyo } from 'fyo';
 import { Doc } from 'fyo/model/doc';
 import { Action } from 'fyo/model/types';
 import { pesa } from 'pesa';
+import { Field, OptionField, SelectOption } from 'schemas/types';
 
 export function slug(str: string) {
   return str
@@ -73,3 +74,43 @@ export async function getSingleValue(
 
   return singleValue.value;
 }
+
+export function getOptionList(
+  field: Field,
+  doc: Doc | undefined
+): SelectOption[] {
+  const list = getRawOptionList(field, doc);
+  return list.map((option) => {
+    if (typeof option === 'string') {
+      return {
+        label: option,
+        value: option,
+      };
+    }
+
+    return option;
+  });
+}
+
+function getRawOptionList(field: Field, doc: Doc | undefined) {
+  const options = (field as OptionField).options;
+  if (options && options.length > 0) {
+    return (field as OptionField).options;
+  }
+
+  if (doc === undefined) {
+    return [];
+  }
+
+  const Model = doc.fyo.models[doc.schemaName];
+  if (Model === undefined) {
+    return [];
+  }
+
+  const getList = Model.lists[field.fieldname];
+  if (getList === undefined) {
+    return [];
+  }
+
+  return getList(doc);
+}
diff --git a/schemas/app/AccountingSettings.json b/schemas/app/AccountingSettings.json
index d215d6b7..a3ce4dce 100644
--- a/schemas/app/AccountingSettings.json
+++ b/schemas/app/AccountingSettings.json
@@ -9,6 +9,7 @@
       "label": "Company Name",
       "fieldname": "companyName",
       "fieldtype": "Data",
+      "readOnly": true,
       "required": true
     },
     {
@@ -49,6 +50,7 @@
       "fieldname": "bankName",
       "label": "Bank Name",
       "fieldtype": "Data",
+      "readOnly": true,
       "required": true
     },
     {
diff --git a/schemas/core/SystemSettings.json b/schemas/core/SystemSettings.json
index 317928de..c9683496 100644
--- a/schemas/core/SystemSettings.json
+++ b/schemas/core/SystemSettings.json
@@ -7,7 +7,7 @@
     {
       "fieldname": "dateFormat",
       "label": "Date Format",
-      "fieldtype": "Select",
+      "fieldtype": "AutoComplete",
       "options": [
         {
           "label": "23/03/2022",
@@ -40,13 +40,15 @@
       ],
       "default": "MMM d, y",
       "required": true,
+      "allowCustom": true,
       "description": "Sets the app-wide date display format."
     },
     {
       "fieldname": "locale",
       "label": "Locale",
-      "fieldtype": "Data",
+      "fieldtype": "AutoComplete",
       "default": "en-IN",
+      "required": true,
       "description": "Set the local code. This is used for number formatting."
     },
     {
@@ -84,9 +86,8 @@
     {
       "fieldname": "currency",
       "label": "Currency",
-      "fieldtype": "Data",
-      "readOnly": true,
-      "required": false
+      "fieldtype": "AutoComplete",
+      "required": true
     }
   ],
   "quickEditFields": [
diff --git a/schemas/types.ts b/schemas/types.ts
index 2d59ccd1..5c0b019a 100644
--- a/schemas/types.ts
+++ b/schemas/types.ts
@@ -42,6 +42,7 @@ export interface OptionField extends BaseField {
     | FieldTypeEnum.AutoComplete
     | FieldTypeEnum.Color;
   options: SelectOption[];
+  allowCustom?: boolean;
 }
 
 export interface TargetField extends BaseField {
diff --git a/src/components/Controls/AutoComplete.vue b/src/components/Controls/AutoComplete.vue
index 13879be4..09563b3b 100644
--- a/src/components/Controls/AutoComplete.vue
+++ b/src/components/Controls/AutoComplete.vue
@@ -11,30 +11,57 @@
       <div class="text-gray-600 text-sm mb-1" v-if="showLabel">
         {{ df.label }}
       </div>
-      <input
-        ref="input"
-        :class="inputClasses"
-        type="text"
-        :value="linkValue"
-        :placeholder="inputPlaceholder"
-        :readonly="isReadOnly"
-        @focus="(e) => onFocus(e, toggleDropdown)"
-        @blur="(e) => onBlur(e.target.value)"
-        @input="onInput"
-        @keydown.up="highlightItemUp"
-        @keydown.down="highlightItemDown"
-        @keydown.enter="selectHighlightedItem"
-        @keydown.tab="toggleDropdown(false)"
-        @keydown.esc="toggleDropdown(false)"
-      />
+      <div
+        class="
+          flex
+          items-center
+          justify-between
+          bg-white
+          focus-within:bg-gray-200
+          pr-2
+          rounded
+        "
+      >
+        <input
+          ref="input"
+          :class="inputClasses"
+          type="text"
+          :value="linkValue"
+          :placeholder="inputPlaceholder"
+          :readonly="isReadOnly"
+          @focus="(e) => onFocus(e, toggleDropdown)"
+          @blur="(e) => onBlur(e.target.value)"
+          @input="onInput"
+          @keydown.up="highlightItemUp"
+          @keydown.down="highlightItemDown"
+          @keydown.enter="selectHighlightedItem"
+          @keydown.tab="toggleDropdown(false)"
+          @keydown.esc="toggleDropdown(false)"
+        />
+        <svg
+          class="w-3 h-3"
+          style="background: inherit; margin-right: -3px"
+          viewBox="0 0 5 10"
+          xmlns="http://www.w3.org/2000/svg"
+        >
+          <path
+            d="M1 2.636L2.636 1l1.637 1.636M1 7.364L2.636 9l1.637-1.636"
+            stroke="#404040"
+            fill="none"
+            fill-rule="evenodd"
+            stroke-linecap="round"
+            stroke-linejoin="round"
+          />
+        </svg>
+      </div>
     </template>
   </Dropdown>
 </template>
 
 <script>
+import { getOptionList } from 'fyo/utils';
 import Dropdown from 'src/components/Dropdown.vue';
 import { fuzzyMatch } from 'src/utils';
-import { getOptionList } from 'src/utils/doc';
 import Base from './Base.vue';
 
 export default {
@@ -57,47 +84,81 @@ export default {
     value: {
       immediate: true,
       handler(newValue) {
-        this.linkValue = newValue;
+        this.linkValue = this.getLabel(newValue);
       },
     },
   },
   inject: {
     doc: { default: null },
   },
-  computed: {},
+  mounted() {
+    this.linkValue = this.getLabel(this.linkValue || this.value);
+  },
+  computed: {
+    options() {
+      if (!this.df) {
+        return [];
+      }
+
+      return getOptionList(this.df, this.doc);
+    },
+  },
   methods: {
-    async updateSuggestions(e) {
-      let keyword;
-      if (e) {
-        keyword = e.target.value;
+    getLabel(value) {
+      const oldValue = this.linkValue;
+      let option = this.options.find((o) => o.value === value);
+      if (option === undefined) {
+        option = this.options.find((o) => o.label === value);
+      }
+
+      return option?.label ?? oldValue;
+    },
+    getValue(label) {
+      let option = this.options.find((o) => o.label === label);
+      if (option === undefined) {
+        option = this.options.find((o) => o.value === label);
+      }
+
+      return option?.value ?? label;
+    },
+    async updateSuggestions(keyword) {
+      if (typeof keyword === 'string') {
         this.linkValue = keyword;
       }
+
       this.isLoading = true;
-      let suggestions = await this.getSuggestions(keyword);
-      this.suggestions = suggestions.map((d) => {
-        if (!d.action) {
-          d.action = () => this.setSuggestion(d);
-        }
-        return d;
-      });
+      const suggestions = await this.getSuggestions(keyword);
+      this.suggestions = this.setSetSuggestionAction(suggestions);
       this.isLoading = false;
     },
-    async getSuggestions(keyword = '') {
-      const options = getOptionList(this.df, this.doc);
 
-      keyword = keyword.toLowerCase();
-      if (!keyword) {
-        return options;
+    setSetSuggestionAction(suggestions) {
+      for (const option of suggestions) {
+        if (option.action) {
+          continue;
+        }
+
+        option.action = () => {
+          this.setSuggestion(option);
+        };
       }
 
-      return options
-        .map((item) => ({ ...fuzzyMatch(keyword, item.value), item }))
+      return suggestions;
+    },
+    async getSuggestions(keyword = '') {
+      keyword = keyword.toLowerCase();
+      if (!keyword) {
+        return this.options;
+      }
+
+      return this.options
+        .map((item) => ({ ...fuzzyMatch(keyword, item.label), item }))
         .filter(({ isMatch }) => isMatch)
         .sort((a, b) => a.distance - b.distance)
         .map(({ item }) => item);
     },
     setSuggestion(suggestion) {
-      this.linkValue = suggestion.value;
+      this.linkValue = suggestion.label;
       this.triggerChange(suggestion.value);
       this.toggleDropdown(false);
     },
@@ -107,34 +168,28 @@ export default {
       this.updateSuggestions();
       this.$emit('focus', e);
     },
-    async onBlur(value) {
-      if (value === '' || value == null) {
+    async onBlur(label) {
+      if (!label) {
         this.triggerChange('');
         return;
       }
 
-      if (value && this.suggestions.length === 0) {
-        this.triggerChange(value);
+      if (label && this.suggestions.length === 0) {
+        this.triggerChange(label);
         return;
       }
 
       if (
-        value &&
-        !this.suggestions.map(({ value }) => value).includes(value)
+        label &&
+        !this.suggestions.map(({ label }) => label).includes(label)
       ) {
-        const suggestion = await this.getSuggestions(value);
-
-        if (suggestion.length < 2) {
-          this.linkValue = '';
-          this.triggerChange('');
-        } else {
-          this.setSuggestion(suggestion[0]);
-        }
+        const suggestions = await this.getSuggestions(label);
+        this.setSuggestion(suggestions[0]);
       }
     },
     onInput(e) {
       this.toggleDropdown(true);
-      this.updateSuggestions(e);
+      this.updateSuggestions(e.target.value);
     },
   },
 };
diff --git a/src/components/Controls/LanguageSelector.vue b/src/components/Controls/LanguageSelector.vue
index bdabf64c..60e16a9a 100644
--- a/src/components/Controls/LanguageSelector.vue
+++ b/src/components/Controls/LanguageSelector.vue
@@ -2,7 +2,7 @@
   <FormControl
     :df="languageDf"
     :value="value"
-    @change="(v) => setLanguageMap(v, dontReload)"
+    @change="onChange"
     :input-class="'focus:outline-none rounded ' + inputClass"
   />
 </template>
@@ -28,6 +28,15 @@ export default {
     },
   },
   components: { FormControl },
+  methods: {
+    onChange(value) {
+      if (languageCodeMap[value] === undefined) {
+        return;
+      }
+
+      setLanguageMap(value, this.dontReload);
+    },
+  },
   computed: {
     value() {
       return fyo.config.get('language') ?? DEFAULT_LANGUAGE;
diff --git a/src/components/Controls/Link.vue b/src/components/Controls/Link.vue
index 22b9f187..cbae1f38 100644
--- a/src/components/Controls/Link.vue
+++ b/src/components/Controls/Link.vue
@@ -9,6 +9,11 @@ export default {
   name: 'Link',
   extends: AutoComplete,
   emits: ['new-doc'],
+  mounted() {
+    if (this.value) {
+      this.linkValue = this.value;
+    }
+  },
   methods: {
     async getSuggestions(keyword = '') {
       const schemaName = this.df.target;
diff --git a/src/components/TwoColumnForm.vue b/src/components/TwoColumnForm.vue
index 154d0097..0e010fc6 100644
--- a/src/components/TwoColumnForm.vue
+++ b/src/components/TwoColumnForm.vue
@@ -177,11 +177,11 @@ export default {
       }
 
       const oldValue = this.doc.get(df.fieldname);
+      this.errors[df.fieldname] = null;
       if (oldValue === value) {
         return;
       }
 
-      this.errors[df.fieldname] = null;
       if (this.emitChange) {
         this.$emit('change', df, value, oldValue);
       }
@@ -251,7 +251,7 @@ export default {
     },
     async stopInlineEditing() {
       if (this.inlineEditDoc?.dirty) {
-        await this.inlineEditDoc.load()
+        await this.inlineEditDoc.load();
       }
       this.inlineEditDoc = null;
       this.inlineEditField = null;
diff --git a/src/pages/Settings/Settings.vue b/src/pages/Settings/Settings.vue
index 07132a3c..a75dec87 100644
--- a/src/pages/Settings/Settings.vue
+++ b/src/pages/Settings/Settings.vue
@@ -60,6 +60,7 @@ import WindowControls from 'src/components/WindowControls.vue';
 import { showToast } from 'src/utils/ui';
 import { IPC_MESSAGES } from 'utils/messages';
 import { h, markRaw } from 'vue';
+import TabGeneral from './TabGeneral.vue';
 import TabInvoice from './TabInvoice.vue';
 import TabSystem from './TabSystem.vue';
 
@@ -88,15 +89,13 @@ export default {
           key: 'General',
           label: t`General`,
           icon: 'general',
-          // component: markRaw(TabGeneral),
-          component: {template: `<h1>General</h1>`}
+          component: markRaw(TabGeneral),
         },
         {
           key: 'System',
           label: t`System`,
           icon: 'system',
           component: markRaw(TabSystem),
-          component: {template: `<h1>System</h1>`}
         },
       ],
     };
diff --git a/src/pages/Settings/TabSystem.vue b/src/pages/Settings/TabSystem.vue
index b8bbc40d..9e1f3bcb 100644
--- a/src/pages/Settings/TabSystem.vue
+++ b/src/pages/Settings/TabSystem.vue
@@ -40,12 +40,14 @@
 <script>
 import { ConfigKeys } from 'fyo/core/types';
 import { getTelemetryOptions } from 'fyo/telemetry/helpers';
-import { TelemetrySetting } from 'fyo/telemetry/types';
+import { NounEnum, TelemetrySetting, Verb } from 'fyo/telemetry/types';
+import { ModelNameEnum } from 'models/types';
 import FormControl from 'src/components/Controls/FormControl.vue';
 import LanguageSelector from 'src/components/Controls/LanguageSelector.vue';
 import TwoColumnForm from 'src/components/TwoColumnForm';
 import { fyo } from 'src/initFyo';
-import { checkForUpdates } from 'src/utils';
+import { checkForUpdates } from 'src/utils/ipcCalls';
+import { getCountryInfo } from 'utils/misc';
 
 export default {
   name: 'TabSystem',
@@ -65,6 +67,7 @@ export default {
     this.doc = fyo.singles.SystemSettings;
     this.companyName = fyo.singles.AccountingSettings.companyName;
     this.telemetry = fyo.config.get(ConfigKeys.Telemetry);
+    window.gci = getCountryInfo
   },
   computed: {
     df() {
@@ -81,8 +84,9 @@ export default {
       };
     },
     fields() {
-      let meta = fyo.getMeta('SystemSettings');
-      return meta.getQuickEditFields();
+      return fyo.schemaMap.SystemSettings.quickEditFields.map((f) =>
+        fyo.getField(ModelNameEnum.SystemSettings, f)
+      );
     },
   },
   methods: {
diff --git a/src/utils/doc.ts b/src/utils/doc.ts
index 7033ae28..2dc2b970 100644
--- a/src/utils/doc.ts
+++ b/src/utils/doc.ts
@@ -1,6 +1,5 @@
 import { Doc } from 'fyo/model/doc';
-import { Field, OptionField, SelectOption } from 'schemas/types';
-import { fyo } from 'src/initFyo';
+import { Field } from 'schemas/types';
 
 export function evaluateReadOnly(field: Field, doc: Doc) {
   if (field.readOnly !== undefined) {
@@ -27,36 +26,3 @@ export function evaluateHidden(field: Field, doc: Doc) {
 
   return false;
 }
-
-export function getOptionList(field: Field, doc: Doc): SelectOption[] {
-  const list = _getOptionList(field, doc);
-  return list.map((option) => {
-    if (typeof option === 'string') {
-      return {
-        label: option,
-        value: option,
-      };
-    }
-
-    return option;
-  });
-}
-
-function _getOptionList(field: Field, doc: Doc) {
-  const options = (field as OptionField).options;
-  if (options && options.length > 0) {
-    return (field as OptionField).options;
-  }
-
-  const Model = fyo.models[doc.schemaName];
-  if (Model === undefined) {
-    return [];
-  }
-
-  const getList = Model.lists[field.fieldname];
-  if (getList === undefined) {
-    return [];
-  }
-
-  return getList(doc);
-}