https://community.sophos.com/sandboxie/f/forum/118937/how-to-revert-back-the-old-os-of-my-pcAs a Windows 10 user I was very happy. But, after I see the peculiar ads pop-up now I want to revert my computer back to Windows 7 OS, but the process to do it is not well-known to me. I have searched several times regarding this topic. I guess I needen-USTelligent Community 12