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

How to Put a License Key Into Avast. Whether you use a free or paid version of Avast, the anti-virus program requires a license to use. However, the process of using a license, and the license ...

Here is how you can install Windows 11 without entering a Product Key and activate it later. You have two ways to do this and both work fine!

Effortlessly transfer Windows 10 license to a fresh device with our expert guide. Simplify the process and ensure seamless activation on your new computer.

If you're using a local account, use this guide to link your Windows 10 product key to your Microsoft account for easier re-activation.

Different ways to find your Digital License or Product Key in Windows 11/10. Retrieve Physical key or Digital license linked to Microsoft Account.

How to Transfer an OEM License to an Identical System. When you transfer Windows to a different computer, you must also transfer the license in order to activate the new installation.

Want to reuse your existing Windows license key with a new PC? We explain how to determine if that’s possible.

Ensure that you are updating to Windows 10 on a legitimate copy of Windows 8 or 7.1 or using a valid, purchased license key from Microsoft for clean installation.