On the Preferences tab in your profile settings you can configure the system behavior after login, the interface language, and date and time display formats.
To open this tab, click your avatar or nickname in the sidebar → Profile Settings → Preferences tab.

Preferences tab
In the General block you can choose what happens right after logging in:
This setting is convenient if you mostly work in one workspace and want to skip the selection screen.
Select a language from the drop-down list in the Interface block. This setting affects the entire dashboard interface — menus, buttons, labels, system messages. The language of your survey content is not affected.
In the same Interface block there are three additional settings: