About Win7/Win8.1 free upgrade Win10 version correspondence, Microsoft has long announced that Win7/Win8.1 free upgrade Win10 FAQ in Microsoft has given the answer, from the article comments it seems that there are many friends have Doubt, here is a more detailed and more popular explanation.
First look at the upgrade SKU mapping table given by Microsoft:
Details:
1, want to upgrade online from the old version Your Win7 must already contain the SP1 update. This can be viewed from the system properties, as shown below:
2, for Win8.1 system, your system must have Win8 installed. 1 Update update, this is also a good judgment, open the start screen, if there is a power button and search button in the upper right corner, the update has been updated.
If you have not installed the update, you can download and install the update by clicking here.
3, Windows7 Simple Edition, Home Basic Edition, Home Premium Edition can be upgraded to Windows10 Home Edition for free, Win7 Professional and Ultimate Edition can be upgraded to Win10 Professional Edition for free;
4, Win8 /Win8.1 can be upgraded to Win10 Home Edition, Win8/Win8.1 Professional Edition can be upgraded to Win10 Professional Edition;
5, for Chinese mainland market Win8.1/Win8 Chinese version, this version is specific National version, free upgrade to Win10 family Chinese version;
6, some tablets pre-installed Win8.1 with Bing (Bing) version, this version can be upgraded to Win10 Home Edition for free;
7, Win8.1/Win8 single language version, this version can be upgraded to Win10 family single language version for free.
8, Win7/Win 8.1 Enterprise Edition does not have a retail licensing method for individuals, and does not provide free upgrades.
9. Pre-installed genuine system and retail licenses purchased by individuals through regular channels can be upgraded to Win10 for free, and can be activated after upgrade;
10. If your system is pirated, Microsoft said it will also provide an upgrade, but the upgrade is still pirated and will not be activated.
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