Details This will require fresh installation of Windows This is not an upgrade key. In order to successfully activate the system, you should create Windows 10 installation media first. Retail key means you can transfer it to another PC when you are buying or building new PC in future. Download Windows 10 Pro: When can I receive the key s?: You can get the license key via email within hrs.
Updated October 30, , 1: Why Are They So Cheap? Some of these keys just come from other countries where Windows licenses are cheaper. They may be legitimate, but they were sold for cheaper in other countries. For example, Windows keys were once much cheaper in China. Other keys could have been purchased with stolen credit card numbers.
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 buildany other PC running that key is out cheap windows 10 pro retail key 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.
Cheap Genuine OEM and RETAIL keys explained