This only influences interface translations – you can still type text in any language within the app.

Extra Languages: Some applications also come with built-in language translations (for example Spanish, Russian or German).

You can safely remove help files for the applications that you already use freely.

Help Files: Most applications (as well as Windows itself) come with help files that contain information about program functionality and workflow.

Caches & Logs: While Windows and applications run on your computer they usually store chunks of “prepared” data on the hard drive to expedite load.

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