What deactivating Windows 11 means and when you might need to do it
Deactivating Windows 11 removes the link between your copy of Windows and your Microsoft account or product key. After deactivation, Windows will still run, but you'll see a watermark in the bottom right corner of your screen, and you won't be able to customize certain settings like your desktop background or theme colors. You can still use your computer normally — browse the web, open documents, run programs — but the system will remind you that it's not activated.
Most people deactivate Windows when they're moving to a new computer and want to transfer their license, selling or giving away their current machine, or troubleshooting activation problems. If you're moving your license to another device, deactivating first on the old machine helps prevent activation conflicts on the new one.
Key Takeaways
- Deactivating Windows 11 breaks the connection between your product key or Microsoft account and your current device, but the operating system continues to work with a watermark visible.
- You can deactivate through Settings by going to System > Activation and selecting the option to change your product key, or by contacting Microsoft support if Settings doesn't show a deactivation option.
- After deactivation, you can reactivate on the same device later using the same product key, or move your license to a different computer.
- If you're transferring a license to a new device, deactivate on the old machine first to avoid running into activation limits or conflicts.
Deactivating through Windows Settings
The most direct path is through your Settings app. Open Settings, then go to System in the left sidebar and select Activation. You should see your current activation status — either "Windows is activated" or a message showing your license type.
Look for the option labeled Change product key or Manage next to your activation status. Click that button. A window will open asking you to enter a new product key. Instead of entering a key, look for a link that says something like "I don't have a product key" or "Troubleshoot activation." This path will eventually show you an option to deactivate your current license on this device.
If you don't see a "Change product key" button, your copy of Windows may be tied to your Microsoft account rather than a physical product key. In that case, the deactivation process works differently — you'll need to contact Microsoft support directly, which is covered in the next section.
Deactivating a Microsoft account-linked license
If you signed into Windows with a Microsoft account and your license is tied to that account rather than a product key, Settings won't show a deactivation option. This is common with Windows 11 licenses purchased through the Microsoft Store or bundled with new computers.
Contact Microsoft Support through the Get Help app (search for it in your Start menu) or visit the Microsoft support website and select "Contact Us." Explain that you want to deactivate Windows 11 on your current device because you're moving to a new computer or selling this one. Microsoft support can remotely deactivate your license, which frees it up to be used on another device.
Have your device name and the email address associated with your Microsoft account ready when you contact them. The process usually takes a few minutes once you're connected with a support agent.
What happens immediately after deactivation
Once deactivation is complete, you'll notice a watermark appear in the bottom right corner of your desktop that says "Windows 11 is not activated." This watermark stays visible at all times and cannot be removed without reactivating.
You'll also lose access to some personalization features. You won't be able to change your desktop background, lock screen image, accent colors, or theme settings. These options will be grayed out in Settings. You can still use all the core functions of Windows — open files, run programs, connect to the internet, install software — without any restrictions.
Windows may periodically remind you to activate, usually through a notification that appears when you first log in. You can dismiss these notifications, but they'll return.
Reactivating on the same device later
If you deactivated Windows on your current computer and later decide you want to use it again on the same machine, you can reactivate using the same product key or Microsoft account. Go back to Settings > System > Activation and select Change product key. Enter your original product key, and Windows will reactivate.
If your license was tied to a Microsoft account, simply sign in with that account and go to Settings > System > Activation. Windows should recognize your account and reactivate automatically, though this can take a few minutes.
There's no limit to how many times you can activate and deactivate the same product key on the same device. However, if you try to activate the same key on multiple devices simultaneously, you may run into activation limits — Microsoft allows one license to be actively used on one device at a time.
Moving your license to a new computer
If you're transferring your Windows 11 license to a different device, deactivate on the old machine first. This step isn't always required, but it prevents activation conflicts and makes the process smoother on your new computer.
After deactivation, install Windows 11 on your new device. During setup, you'll be asked to enter a product key or sign in with your Microsoft account. Use the same key or account you used on the old machine. Windows will activate on the new device, and your old machine will remain deactivated.
If you skip deactivation on the old machine and try to activate the same key on the new one, you may see an error message saying the key is already in use. If this happens, contact Microsoft Support and explain that you've moved to a new device. They can clear the old activation and let you use the key on your new computer.
Troubleshooting deactivation problems
Sometimes the deactivation option doesn't appear in Settings even though you have a product key. This usually happens if Windows thinks your license is already deactivated, or if there's a glitch in the activation system. Try restarting your computer and checking Settings again.
If the option still doesn't appear, open the Run dialog (press Windows key + R), type slui 4, and press Enter. This opens the Windows activation wizard. Select your country and click Next. You should see an option to deactivate your license on this device. If you still don't see it, contact Microsoft Support — they can deactivate remotely and troubleshoot any underlying issues.
If you're seeing an error message during deactivation, write down the exact error code. Microsoft Support can use that code to identify what went wrong and walk you through the fix.
Frequently Asked Questions
Will my files and programs disappear if I deactivate Windows?
No. Deactivation only removes the activation status. All your files, programs, and settings stay exactly where they are. The only visible change is the watermark in the corner and the loss of personalization options.
Can I deactivate Windows 11 on a computer I'm about to sell?
Yes, and you should. Deactivate before you hand it over so the new owner can activate with their own license or product key. If you leave it activated under your account, the new owner may have trouble activating their own license.
What if I deactivate but then change my mind within a few days?
You can reactivate anytime using the same product key or Microsoft account. There's no waiting period or limit on how many times you can switch between activated and deactivated on the same device.
Does deactivating remove my Microsoft account from Windows?
No. Deactivation only affects your Windows license status, not your account. Your Microsoft account will still be signed in, and you can still use OneDrive, Outlook, and other Microsoft services normally.
Can I deactivate Windows 11 if I'm not the administrator?
You need administrator rights to deactivate Windows. If you're not the administrator on this device, ask whoever set up the computer to deactivate it for you, or contact Microsoft Support with proof that you own the device.