: Poor performance, non-functional Start menu buttons in some instances, and a total lack of official security updates. The Danger of "Activators" for Leaked Builds
: Many standard features, such as the Start menu, were frequently broken or empty.
Microsoft’s activation architecture in build 21996.1 is nearly identical to Windows 10. If you are installing this build to test its features, you will notice that certain personalization settings—like changing wallpapers or themes—are locked unless the OS is activated. Digital Licenses and Product Keys