Options Language And Time Zone Settings. Account administrators can change the default language and time zone settings for their enterprise from the Admin Console. You can change your language on personal level but need to download Office365 again.
To set your time zone language and date and time formats. Select Time Language from the options displayed in the Settings window. Do the following to open Time Language options in Windows 10.
Select the language date format time format and time zone you want to use.
However you can also access this tab by clicking the clock on. Under Language and time zone select your language from the list make changes to the time zone and time displays as well. Fill in the information as required. You can also personalize many other options such as language currency and time zone.