Win7, Win8, Win8.1 upgrade to Win10 official version of the difference between the details of the

Many people know that Win7 and later versions can be directly upgraded Win10. It should be said that Win7, Win8, Win8.1 upgrade Win10 process is similar, the main difference is Win7, Win8, Win8.1 and Win10 preview version upgrade Win10 different, what are the differences? Let's take a look at the details below!

Here is a brief description of Xiaobian.

1. Upgrade from Win7/Win8/Win8.1 system to win10

If you are a Microsoft authorized user before, then you can upgrade to win10 official version for free (such as win8 regular version) Can be upgraded to win10 regular version for free) and permanently used;

If you are using an unauthorized version of win7.Win8, you still need to purchase the right after upgrading win10 system

2, from Win10 preview upgrade to win10

The preview version can be upgraded directly, but if you want to use the official version after the upgrade, you will need to pay for the Windows 10 license. If you are willing to participate in the Windows Membership Program Test Preview, you do not need to purchase it.

3, genuine authorized win7/win8/win8.1 upgrade to Win10 preview version after upgrading win10 official version

According to Microsoft's instructions, this is also free upgrade and permanent use, but now Not clear, but we can first return to the previous version of windows and then upgrade the official version of win10.

Note: Win10 member test users need to register to join, and the price may be that you will keep installing test updates, when Microsoft is a mouse.

The above is the difference between Windows system upgrade Win10, Win7, Win8 can directly upgrade Win10, Win10 preview version should be returned to the original system. Now it's reversed. It seems that Windows still has preferential treatment for Win10 preview users who are willing to give them a mouse.