You ll need it to replace your current license key.
Cost to upgrade from windows 10 home to windows 10 professional.
If you upgraded from the professional editions of windows 7 or 8 1 you already have windows 10 professional.
On its own windows 10 pro retails for 200.
In either case the upgrade takes just a few minutes.
For more info about how to keep your pc updated see windows update.
How to upgrade windows 10 home to pro at no cost usually microsoft charges 200 for a windows 10 pro product key but you may be able to get it much cheaper than that due to a workaround.
To upgrade from windows 10 home to windows 10 pro and activate your device you ll need a valid product key or a digital license for windows 10 pro.
Windows 10 home is the standalone price of 140 and adding in a 100 windows 10 pro upgrade brings the price up to 240.
Upgrade from windows 10 home to pro via a license key digital license.
If you decide to upgrade to the professional edition of windows 10 you ll get bitlocker drive encryption integrated hyper v virtualization a built in remote.
Most new pcs come with windows 10 home but you can pay for an upgrade from within windows 10 to upgrade from home to pro.