If you are on windows 10, do not upgrade to windows 11 / Design / By charlie yang It is not an upgrade, it is a downgrade. If an upgrade was slowing the system, that is a downgrade.DateMarch 31, 2022IF YOU USED PC, STAY WITH WINDOWS 10DateJuly 14, 2023Windows 11 slows down everythingDateOctober 23, 2022