WPS Office Changed Global MS Office Icons - How to change them back?

Hello All!

After installing WPS Office - The Most Compatible Free Office Suite - WPS Office - I had various file associations and icons changed. No surprises there. I've manually corrected the file associations to my liking, but still have many "wrong" icons.

I wish to change my icons back to the standard Microsoft Office icons, but have had no success.
Running 'Clear_and_Reset_Thumbnail_Cache' did not work nor did a Program Repair for MS Office (From Programs & Features).

Appreciation goes out to all who read this post and those who reply! :)

Thanks very much,

Thanks mike S,
My apologies for not noting I had already tried that. My post has been updated.
Best,:)

Thanks for the reply Edwin,
I was looking for anything "extra" it would want to install. I did notice it was going into my AppData, not Program Files and chose not to change it in case it would not install properly. I did not see the three check boxes #2 Circle. I'm wondering where you got the screen shots. e.g. From the full paid version perhaps? I installed the free one.
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So, if I just missed those, ... I see I can *reinstall* instead of changing or uninstalling. Do you have any thoughts on my best next move?
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I've been considering a complete uninstall followed by a system restore prior to the initial install, but worry about ... well, something else annoying.
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I certainly *do* appreciate your assistance. :)
Best,

I went with the "best" solution: Uninstalled WPS Office and ran a System Restore to a date prior to the installation.
Thanks to all who supported me in this misadventure! :)