Buying a new computer doesn’t always mean buying a new Windows license.
If your existing Windows license is eligible for transfer, you can move it to another PC and continue using it without purchasing another copy of Windows. The most important factor is the type of license you own. Retail licenses are generally transferable, while OEM licenses are usually tied to the original computer.
Can Every Windows License Be Transferred?
Retail: Usually Yes
OEM: Usually No
Volume: Depends on the agreement
How to Check Your License Type
- Open Command Prompt as Administrator.
- Run:
slmgr /dli - Look for Retail, OEM_DM, Volume_MAK or Volume_KMS in the description.
Step 1 – Link Your License
Open Settings → Accounts and sign in with your Microsoft account.
Then go to:
Settings → System → Activation
Confirm your license is linked to your Microsoft account.
Step 2 – Remove the License
Open Command Prompt as Administrator and run:
slmgr /upk
Optionally run:
slmgr /cpky
to remove the product key from the registry.
Step 3 – Install Windows
Download Windows from Microsoft’s official website.
Install the same edition your license matches. A Windows Home key will not activate Windows Pro.
Step 4 – Activate
Open:
Settings → System → Activation
Choose Change Product Key and enter your Retail key.
If your license is linked to your Microsoft account, Windows may activate automatically after you sign in.
If Activation Fails
Use the Activation Troubleshooter.
Go to:
Settings → System → Activation → Troubleshoot
Select “I changed hardware on this device recently” if prompted.
Common Mistakes
- Installing the wrong Windows edition.
- Trying to use one license on multiple computers.
- Forgetting to link the Microsoft account.
- Assuming every Windows key is transferable.
Frequently Asked Questions
Can I transfer Windows from a laptop to a desktop?
Only if the license is transferable, such as a Retail license. Most laptops include OEM licenses.
Can I transfer a Retail license more than once?
Generally yes, provided it is only active on one computer at a time.
Do I lose my files?
No. A license transfer does not move personal data.
Final Verdict
If you own a Retail Windows license, transferring it to a new PC is usually straightforward. Check the license type, link it to your Microsoft account, remove it from the old computer, and activate it on the new one. If the license is OEM, a transfer is generally not permitted.