Change Language & Region settings on Mac
On your Mac, use Language & Region settings to select the languages shown in the Finder and in apps, and choose the formats used to show dates, times, numbers, and more.
To change these settings, choose Apple menu 
in the sidebar, then click Language & Region on the right. (You may need to scroll down.)
Open Language & Region settings for me
Option | Description | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
Preferred Languages | View the languages you want shown in macOS and in apps (for example, in menus and messages), and on websites (if available in a preferred language). If macOS or an app supports the primary language, that language is used. If not, the other languages are used, in the order listed. You can drag languages in the list to reorder them. See Change the language your Mac uses and If non-Latin fonts don’t appear correctly. If you add input sources, those languages are automatically added to the list. | ||||||||||
Add | Add and remove languages in the list. | ||||||||||
Apply to Login Window | When your Mac has multiple users, everyone sees the language you chose as the primary language in the login window. Choose this option from the Settings pop-up menu Note: If the Settings pop-up menu doesn’t appear, it means the login window is already set to use the primary language. | ||||||||||
Region | Choose the geographic region whose formats are used for dates, times, numbers, and currencies. When you choose a different region, the options and the preview shown change. | ||||||||||
Calendar | Choose the type of calendar used to display dates and times. | ||||||||||
Temperature | Select the preferred temperature format. | ||||||||||
Measurement system | Select the preferred measurement system. | ||||||||||
First day of week | Choose the first day of the week. | ||||||||||
Date format | Choose the date format, such as day, then month, then year. | ||||||||||
Number format | Choose the format for numbers, such as when a comma appears. | ||||||||||
List sort order | Choose the sort order for names. This option is available only for some primary languages. | ||||||||||
Term of address | Choose your preferred term of address (feminine, masculine, or neuter) to make your device feel more personal. Turn on “Share with all applications” so that all apps personalize how they address you. These options are available for these supported languages. | ||||||||||
Live Text | Select text in images to copy or take action. See Interact with text in a photo using Live Text in Photos. | ||||||||||
Applications | View the list of apps you set to use a language other than the default language. | ||||||||||
Add | Add and remove apps in the list. When you remove an app from the list, it uses the default language. | ||||||||||
Applications Language pop-up menu | To choose a different language for an app in the list, select the app, then choose a language from the pop-up menu. | ||||||||||
Translation Languages | Select languages to download to your computer so you can translate when offline. You can also process translations on your Mac, even when connected to the internet. See Translate text. | ||||||||||
, 
below the languages list.