Windows 10 Professional CD-KEY (32/64 Bit) works only for Windows, not for Mac!
Windows 10 Home, Windows 7 Home Basic/Premium and Windows 8.1 CoreCountrySpecific/CoreSingleLanguage/Chinese (incl. WMC) CANNOT be directly upgraded to Windows 10 Professional by changing product key in Windows system. If You have these editions on you computer, you need to make a clean installation after purchasing Windows 10 Professional.
More information about installation you can find in delivery email.
Please check the spam or junk mail folder too.
Notes: CAN'T upgrade from Home system to Pro system, You should download the windows 10 pro system here first , after you installed it, then to activate the code.
Windows 10 is designed to be compatible with the hardware, software, and peripherals you already own. And always-enabled updates help you stay current on features and security for the supported lifetime of your device.
Windows 10 gives you absolutely the best experience for doing what you do. Stay focused with easy ways to snap apps in place and optimize your screen space for getting things done. See your open tasks in a single view and create virtual desktops to gain space or group things by project, like Office apps for work and games for play.
Gaming just got even better with Windows 10. Not only do your existing games work great, but now you can play and connect with gamers across Xbox One and Windows 10 devices. From the best casual games to a new generation of PC gaming, Windows 10 is built for games you love.
Some users may afraid of uncustomed operation on Windows 10, but the fact is that it is a really easy and convenient experience with it. You will find it is quick to be familiar with and you can not live without it after a long-time using. No more to say, start a comfortable system from now!
How to activate Windows 10 Pro Pruduct Key:
The first way:
1. Download and install Windows 10 Professional.
2. Open system "Control Panel" - "All Control Panel Items" - "System", and click "Activate Windows" & "Change Product Key".
3. Click "Activation" and enter your Windows 10 Pro key.
The second way:
1. Download and install Windows 10 Pro Professional.
2. Right-click "Start Menu", choose "System".
3. Click "About", then Click "Change Product Key" or "Upgrade Your Edition of Windows".
4. Click "Change product key" and Enter your Windows 10 Activation Key.
Es gibt nichts zu bemängeln. Habe den Code innerhalb Sekunden erhalten. Alles gut wie gewohnt und super günstig!
amazing, its cheap and quick i would say have a look
This was a very efficient simple download and install and it worked immediately.
Great value and highly recommended.
It was really simple, and fast.
Got my code within 30 seconds of payment,and they're definitely reliable.
It was quick and easy and affordable
Fast delivery and honest price
Rapide. Efficace. What else ?
Super fast and easy. Not the first and for sure not the last buy either.
Everything is fine, the softwares are very good for this prices.
Had experienced an issue , but had immediate response and solved the problem . Thanks
Works perfectly every time, nothing to complain! I only wonder how do they get it down to those prices haha.
Great, Windows 10 works perfectly thank you.
Had a little trouble with an order, they responded fast and were very attentive. I'm a returning customer.
Habe schon zweimal bei Keysoff eingekauft. Hat alles schnell und bestens geklappt.
Good service, software works as intended. Suggested to anyone give it a shot
The procedure was simple enough. All good , my purchase was at my mail just in five minutes.
Trustworthy company with great deals !!!! Thanks a lot!!!!!
I bought a key for Windows 10 Professional, I received it by email right away. The key has been accepted without any problem on my brand new OS. Great price; great savings! I recommand
excellent, I needed quicky a Windows 10 pro license and I bought it in one momento. All perfect!
Bought Win10 Pro and got a key in few minutes. Excellent.
Somehow a little confuse, but it did worked. I bought a Windows 10 pro license and is working.