Again, I want to emphasize that using activation tools can be risky, and I encourage you to consider purchasing a legitimate Windows 7 license or upgrading to a newer Windows version. If you're experiencing issues with Windows 7 activation, I recommend contacting Microsoft support or a authorized reseller for assistance.
Select Start > Settings > Update & Security > Activation , and then select Troubleshoot to run the Activation troubleshooter. Microsoft Support online & Microsoft Support Product Activation Portal k.j activator windows 7