I believe that the biggest headache for friends who use Windows 10 and Windows 11 is the Windows activation problem. Some win activation tools on the Internet not only have viruses and Trojans, but also need to be activated every six months. After win10 is activated, you can directly upgrade to win11. Even after upgrading to the win11 system, you still need to activate windows regularly. The following introduces a method of win activation in the Windows system without the activation tool.