You can buy a standalone key for a single PC.
at the bottom to sign in and activate without manually typing the key. Offline Activation windowblinds 11 product key
If you bought from Stardock, log into your account at store.stardock.com → “My Products” → resend key. If you bought from a reseller, contact them. You can buy a standalone key for a single PC
"The product key you entered has been blocked. Please contact support." windowblinds 11 product key