Open system 'Control Panel' - 'All Control Panel Items' - 'System', and click 'Activate Windows' & 'Change Product Key'. Download and install Windows 10 Professional. No more to say, start a comfortable system from now! You will find it is quick to be familiar with and you can not live without it after a long-time using. 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. From the best casual games to a new generation of PC gaming, Windows 10 is built for games you love. Not only do your existing games work great, but now you can play and connect with gamers across Xbox One and Windows 10 devices. Gaming just got even better with Windows 10.

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. Stay focused with easy ways to snap apps in place and optimize your screen space for getting things done. Windows 10 gives you absolutely the best experience for doing what you do. And always-enabled updates help you stay current on features and security for the supported lifetime of your device. Windows 10 is designed to be compatible with the hardware, software, and peripherals you already own. If You have these editions on you computer, you need to make a clean installation after purchasing Windows 10 Professional. WMC) CANNOT be directly upgraded to Windows 10 Professional by changing product key in Windows system. Windows 10 Home, Windows 7 Home Basic/Premium and Windows 8.1 CoreCountrySpecific/CoreSingleLanguage/Chinese (incl. Windows 10 Professional CD-KEY (32/64 Bit) works only for Windows, not for Mac!

Win 10 pro x86 product key