Iolo System Mechanic is the best PC cleaning software for Windows 10 which has added a new feature called the ‘Ultimate Defense’ version which makes it an ideal choice.
Compatibility: Windows 10, 8.1, 8, 7, Vista and XP (both 32bit & 64bit versions).2 Conclusion – Best Free PC Cleaner 2021īest Free PC Cleaner Software for Windows 10 1.