Forum Discussion

Michaelonco's avatar
Michaelonco
Tin Contributor
Sep 01, 2026

How to upgrade Windows 10 Home to Pro without product key?

I have a Windows 10 Home installation and want to move to the Pro edition, but I currently do not have a product key. I would like to know whether there is a legitimate way to change the edition with...
Samvan's avatar
Samvan
Iron Contributor
Sep 01, 2026

Using a generic KMS key is a way to test the features of Windows 10 Pro before purchasing a genuine license. It is suitable for users who want to evaluate the Pro features without incurring immediate costs. As a method to temporarily upgrade Windows 10 Home to Pro without key, this approach unlocks the Pro features during the 30-day trial period.

How to Upgrade Windows 10 Home to Pro Without a Product Key

Step 1: Open the Command Prompt as an administrator.

Step 2: Enter the universal KMS key for Windows 10 Pro:

slmgr /ipk VK7JG-NPHTM-C97JM-9MPGT-3V66T

Step 3: Press Enter and wait for the confirmation message.

Step 4: Restart your computer.

Step 5: Your Windows will now be listed as Windows 10 Pro.

Step 6: To check the activation status:

slmgr /xpr

This method will not result in data loss. It temporarily enables Pro edition features such as BitLocker, Remote Desktop, and the Group Policy Editor. However, this is only a 30-day trial period. To permanently upgrade Windows 10 Home to the Pro edition and retain all features, you will need to purchase a genuine product key.