Choose Activation from the left-hand menu 4. The Windows Store will open a product page for the version of Windows 10 installed on your computer. Go to Settings again 6. Go to Update and Security 7. Choose Activation from the left-hand menu 8. Click on Change Product Key 9.
But note that a key can only be used on one PC at a time, so if you use that key for a new PC build , any other PC running that key is out of luck. Downsides of Using an Old Key When using an older Windows key to activate Windows 10, you may run into complications if Microsoft isn't sure whether you're eligible to update or not. But that seems to be happening less in recent months and years. Don't Activate Windows:
A huge number of people switched from Windows XP, Windows Vista, Windows 7 and Windows 8 to Windows 10 making it one of the most successful operating systems from Microsoft. The only reason why so many users switched from previous versions of Windows to Windows 10 is that of the great new features that Microsoft added. The Windows 10 user interface was also very nice and easy for all windows 10 home 64 bit license which made it an instant hit among-st all. There are different versions of the Windows 10 and each version will meet up with the requirement of the different demographic user. If the Windows users are using it for their home and also for non-commercial use, then the Windows 10 Home is just perfect for them.
Activate Windows 10 Pro Product Key 64 Bit 2019