Find Photoshop. You will likely see an button next to it (even though it's already on your computer). Click Install .
If you need a specific language (e.g., Polish, Turkish, Dutch) and it does not appear in Creative Cloud, that language may not be supported for the UI in Photoshop – only for or dictionary . In that case, you can add a dictionary via Edit → Preferences → Dictionaries (download verified .lex files only from Adobe). photoshop language pack download verified
If you installed a verified pack but it’s not available in Preferences: Find Photoshop