WIndows 10 Leftover programs from previous Windows installation

Dimitri

Member
I recently reinstalled Windows and when it prompted me during the installation about keeping my files and I said I don't want to keep anything I figured it would format my Windows partition, but it turns out it didn't do that.

Consequently, I now have all my programs from the previous installation. Should I delete all these and reinstall them over again or can I just keep them?

Obviously, I can run them and see if they work, but I'm wondering whether there'll be any problems down the line that won't be immediately obvious. Maybe while trying to update or something like that, because they don't have registry entries or something.
 
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