When you activate Winodws system by product key, activation fails and the error code 0x803f7001 pops up, how can we solve this problem?
Step 1
Back to the Windows system desktop, right-click the Start button at the lower left corner of the desktop, and click the “Windows PowerShell (Administrator)” menu item in the pop-up menu.
In the Windows PowerShell window, enter the command
slmgr - upk
Press Enter. Then a prompt will pop up indicating that the product key has been successfully uninstalled.
Step 2
Enter the command
slmgr -ipk XXXXX-XXXXX-XXXXX-XXXXX-XXXXX
XXXXX-XXXXX-XXXXX-XXXXX-XXXXX is your product key.
Press Enter. Then a prompt will pop up indicating that the product key has been successfully installed.
This method is applicable to multiple Windows systems, such as Windows 7 / 8 / 8.1 / 10 / 11, WIndows Server 2008 / 2008 R2 / 2012 / 2012 R2 / 2016 / 2019 / 2022. It is not limited to the system edition, such as standard, enterprise, datacenter, home, pro ( professinal ), essentials, ultimate, web, hpc, express, premium, education, Pro for Worksations, education N etc
If you want to buy Wondiws 10 product key, please order direactly by your system edition
- Buy Windows 10 Home Product Key
- Buy Windows 10 Pro Product Key
- Buy Windows 10 Enterprise Product Key
- Buy Windows 10 Pro for Workstations Product Key
- Buy Windows 10 Education Product Key
See more Microsoft product key
