Upgrade from windows 10 home to pro via a license key digital license.
Windows 10 upgrade retail license.
When you walk into a store or pop over to microsoft s website handing over that 139 for windows 10 home or 200 for windows 10 pro gets you the retail license.
Reactivate windows 10 using a digital license.
If your pc endured a significant hardware change making it unrecognizable then press on.
To move a full windows 10 license or the free upgrade from a retail version of windows 7 or 8 1 the license can no longer be in active use on a pc.
If you re already a windows user download a windows 10 upgrade so you can experience the latest in windows technology.
If you do have a copy of windows 10 pro or maybe you found a retail copy of the upgrade for less than microsoft charges you ll have a product key alternately called a license key that enables windows 10 pro.
Windows 10 does not have a deactivation option.
You ll need it to replace your current license key.
Use this guide if you re reinstalling windows 10 without a printed or emailed product key.