When Microsoft first launched the Windows operating system, installing it was only a matter of copying the program onto a disk. You didn't have to verify your copy of Windows. Starting with Windows XP ...

Ever since Microsoft launched Windows 10, it's made the OS officially or unofficially available. Officially, you stopped being able to download or upgrade your system to Windows 10 on July 29, 2016.

Posts from this author will be added to your daily email digest and your homepage feed. is a senior reviewer covering laptops and other gadgets. Monica was a writer for Tom’s Guide and Business ...