Which versions of Windows are free to upgrade WIN10

Which versions of Windows can be upgraded free of charge WIN10? Microsoft Official release July 29 will officially launch Windows 10, then the most concerned about is the free upgrade of the problem now. What are the requirements for free upgrades to WIN10?WIN10 upgrades? The following small series for everyone to answer.

　　First, WIN10 free upgrade support scope

WINDOWS10 official layout to the Win7 SP1, Win8.1 users to release a year free upgrade service, but it is necessary to note that WIN10 for eligible win7sp1/win8.1 UPDATE/WIN10 preview version provides free upgrades, Win8 needs to be upgraded to Win8.1 free of charge through the App Store, with the remaining versions turning on Automatic Updates to keep up to date. In addition, WIN10 free upgrades for individual users, enterprise customers still need to pass the SA (Software Protection Program) and other means to obtain WIN10 authorization.

That is to say win7/win8/win8.1 batch authorized user does not enjoy this free upgrade WIN10 activity. It should be explained that the win7/win8/win8.1 Enterprise version belongs to the volume Licensing version, not within the scope of this upgrade. The remaining versions can be identified in the following ways:

Win+r "Shortcut" to open the Run window, enter "SLMGR.VBS/DLV", note the third row in the pop-up window "Windows (R) operating System, ********* channel", The asterisk section represents your system key type and, if prompted volume, does not support this free upgrade event.

Windows Phone, Microsoft will provide Windows Phone 8.1 for Windows 10 Mobile phone version (that is, windows10for phones) free upgrade treatment, and WP8 will need to upgrade to WP8.1 first before the next upgrade.

As for Windows RT, do not enjoy this free upgrade.

　Second, WIN10 upgrade mode

Microsoft will upgrade the system by providing ISO image and Windows Update two ways.

Users of Win7 SP1 and Win8.1 with update can choose to use an ISO image or upgrade to WIN10 directly through Windows Update, and the remaining versions of Windows must be upgraded using ISO.

WP8.1 will need to upgrade through Windows Update to WIN10 Mobile version, the rest of the WP version can not be upgraded.

Can the non-genuine Microsoft system upgrade Win10?

Terry Myerson, vice president of Microsoft's operating system, said in an interview with Reuters that it can be upgraded to Windows 10 as long as the minimum requirements for hardware configuration are met, whether it is a non-genuine or genuine version of Windows. Then a Microsoft spokesman added: Users who use non-genuine Windows systems are still not genuine after the upgrade is complete. Microsoft will provide a mechanism in the Windows 10 App Store to help users buy and convert to genuine.

Specifically, this WIN10 global upgrade policy will adopt a free upgrade, a genuine activation strategy. That is, all versions are free to upgrade Win10. The verification work will be launched after the WIN10 installation is complete and be activated for the genuine win8.1/win8/win7 in the range of free upgrades. It should be noted that through Tencent or 360 upgraded users, more relevant information and specific upgrade terms will be provided by the third party.