Windows 11 uses a product key to ensure your OS is genuine—in other words, not pirated. You can find the product key in use on your PC, which is particularly useful if you bought Windows ...

Microsoft is investigating Windows activation issues that appear to be linked to the company’s recent move to block Windows 7 and Windows 8 keys from activating copies of Windows 10 and Windows 11.

Microsoft originally announced the changes to block Windows 7 and Windows 8 keys from Windows 11 late last month, but at the time, we saw that keys were still activating, and it wasn’t clear ...