How Does KMSPico Operate and What Is It? A well-known software program called KMSPico can be used to activate Microsoft ...

Windows remains functional without activation, but you'll be locked out of personalization and other non-essential features until it's addressed.

Should you activate Windows? While it's completely safe to use Windows 10 or 11 without activating, I wouldn't suggest doing that because there are plenty of benefits to getting a licensed version.

Fix We can’t activate Windows 11/10 on this device because you don’t have a valid license or product key., Error Code 0x803fa067.