Reuse windows serial

For a more complex Windows built-in method, you may try Method 3, Method 4, and Method 5. Here the following, we'll take the latest Windows 11 as an example to show you the whole process. Let's go and follow the respective methods to start finding your missing or lost Windows product key now. COA Sticker, known as Certificate of Authenticity Sticker, is widely used on computers that are shipped with Windows operating system by multiple computer manufacturers.

The COA sticker verifies that the laptop or desktop computer is shipped with an authentic copy of Windows. Also, the stick is printed with a product key of the current computer operating system.

Therefore, if your computer is installed with the original Windows, you can directly check the Windows COA stick and find the missing product key:. And you can follow Method 2, 3, 4, 5 to find the current key on your computer. With this product key finder, you can simply recover the lost product key on a Windows computer within one click. See what else you can do with this software:. Step 2. Check Windows product key on the right side. Click "Copy" to paste.

Va IM. Is there anyways for me to reuse the licenses key? My old laptop Latitude broken Motherboard, cannot repair. Thanks Va IM.

This thread is locked. You can follow the question or vote as helpful, but you cannot reply to this thread. I have the same question 0. If we are a formatting system or removing before the license, it may cause you to activate the system back with same License key. Once this command will execute we need to restart, the system will be in an Unlicensed state unless a new product key is installed.

This will uninstall the current product key from Windows and will move windows to unlicensed mode. Once this command will execute, this will remove the product key from the registry if it's still there. If you buy a new PC that is with Windows 11 OS preinstalled, you should also get a license to activate the Windows 11 operating system.

Generally, you can find your Windows 11 product key either on the device packaging or on the COA Certificate of Authenticity attached to your device. You may also search online to find some product keys for Windows 11, but be careful, it might violate Microsoft copyright policies. Also learn how to change Windows 11 password.

Under System tab, scroll down to click Activation , and you will find your activation status. If your Windows 11 is not activated, you can click Open Store button to open Microsoft Store app to purchase a Windows 11 product key. If you already have a product key, you can also click Change product key to enter the product key to activate the OS.

For the details on how to activate Windows 11, you can visit Microsoft's official web page: Activate Windows