thanks all for help
in belarc results I got a lot of statistics
like
Microsoft - Internet Explorer ffff-ffff-ffff-ffff(Key: yyyy-yyyy-yyyy-yyyy-yyy)
Microsoft - PowerShell zzzz-zzz-zzzz-zzzz
Microsoft - Windows 8.1 Single Language (x64) xxxx-xxxxx-xxxxx-xxxxx(Key: none activated)e
I entered in windows activate the code of Microsoft - Windows 8.1 Single Language (x64)
but I got error in code
then I copied code of Microsoft - Internet Explorer (Key: yyyy-yyyy-yyyy-yyyy-yyy)
then my windows activated succeffully
what I ask .this ok or there is something else to do ?