How to upgrade the Win10 system for free?

Just one week after the release of Win10, 2% of users have upgraded to activate Win10, which is a very large number. Of course, there are still a lot of users who will upgrade Win10 later, and some people don't know how to upgrade and activate Win10. This article will introduce the free upgrade to activate Win10.

Of course you want to upgrade Win10 for free, but also to meet a condition you must be a Win7/Win8.1 genuine user, there are three main ways to achieve. The specific method is as follows:
1, the most common activation method
Take the highest usage of Win7 Ultimate and Win8.1 Professional as the example, after testing, as long as your Win7 Ultimate /Win8.1 The Professional Edition is active and can be activated after upgrading to Win10 Professional with the Build 10240 image. Not only that, after successfully upgrading Win10, the tester also re-partitioned the hard disk to format, try a new pure installation Win10 Professional Edition (Win7 Ultimate /Win8.1 Professional Edition corresponding Win10 upgrade version), the results can also be after the installation Directly display “ activated & rdquo; status. Other Win7/Win8.1 versions can be upgraded to the corresponding Win10 version. Therefore, at present, Win7/Win8.1, which displays the status of "Activate", can get all the benefits of using genuine Win10 for free.
It should be noted that the upgrade must comply with the rules, cross-version upgrades can not enjoy free (Win10 installer will not give you the option to choose the version during the upgrade process), such as Win7 family (basic, advanced) version can not be directly upgraded to Win10 Professional version. In addition, the activation process needs to keep the network open.

2. Use Win10 Insider member preview version
All versions of Win7/Win8.1 can be upgraded to Win10 Insider preview version free of charge, and need to follow this version for upgrade installation. In this process, Win10 will remain active. .
3, using Microsoft Win10 booking push tool to install activation
This method will be opened on July 29, users who have accepted the official version of Win10 can be upgraded and activated free of charge. Win10 installation package download takes a long time, the system will give download and installation tips, the user can do it as soon as possible, can be activated directly after installation.
The above is a free upgrade and activation of Win10 tutorial. After the upgrade is activated, you are a genuine Win10 user. It is obviously worthwhile to use Win7 and Win8 for Win10.