Hi @Лозовой Владимир Алексеевич ,
According to MS document SSMS System Requirements, Windows 8(64 bit) is not in the supported OS list. Suggest you upgrade your windows version. Then install SSMS again.
Best regards,
Cathy
If the response is helpful, please click "Accept Answer" and upvote it.
Note: Please follow the steps in our documentation to enable e-mail notifications if you want to receive the related email notification for this thread.