Earlier quoted context omitted.
I stopped doing it around Windows 7 and have not really seen an issue. I have Windows 10 installations that date back to the original Windows 10 release (and have been updated with Windows Update all the way up to the current) and they are running perfectly fine. That being said, I feel like I install much less software than I used to. They used to hand out CDs with computer magazines that were basically dumps of ran…
Pretty sure it stopped being helpful with Windows 2000.
I was floored to realize how much faster things were. No wait time for a Windows Explorer window to open. Everything was snappy, even after reinstalling games and antivirus. It blew my mind.
I still think it helps, but with a much longer tail on the frequency required. Windows XP definitely grew slow over time though, whether that was due to installing programs, caches I could’ve cleared with CClearner, or more incremental updating. We leave a lot on the OS over time.