Go to Edit > Preferences. Otherwise, click on the menu icon (top left corner) and pick "Preferences". You can also use the Ctrl+, keyboard shortcut on Windows
Make sure that the General tab is selected at the top. The current language and country are shown in the Language dropdown at the bottom.
Once you've made a change, you'll see the "Language setting will not takes effect until iTunes is restarted" message. First, exit iTunes; then, wait for approx. 1 minute.
Once iTunes restarts, all menus and commands are displayed in the language you chose.
Go to Edit > Preferences. Otherwise, click on the menu icon (top left corner) and pick "Preferences". You can also use the Ctrl+, keyboard shortcut on Windows
Make sure that the General tab is selected at the top. The current language and country are shown in the Language dropdown at the bottom.
Once you've made a change, you'll see the "Language setting will not takes effect until iTunes is restarted" message. First, exit iTunes; then, wait for approx. 1 minute.
Once iTunes restarts, all menus and commands are displayed in the language you chose.