Win7 system Win8.1 How to permanently upgrade the WIN10 system for free?

Win7 system Win8.1 How to permanently upgrade the WIN10 system for free? From last year's July 29, Microsoft opened a free upgrade WIN10 system to the Win7 system and the Win8.1 system, a year passed, and as of May 5, 2016, more than 300 million devices had been in accordance with the WIN10 system. However, the one-year period is coming soon, win7/win8.1 how can the permanent free upgrade Win10? Let's take a look at today's tutorial!

Win10

Therefore, in accordance with this rule, we can know how the win7/win8.1 system can skillfully avoid the policy risk of Win10 one year without escalation: upgrade and successfully activate a Win10 before July 29. For Microsoft iron Powder, this method has been known to the heart, but for new users, small knitting college Win10 introductory class to introduce the following methods to "crack" Microsoft free upgrade period:

1. Prepare before upgrade

The most important thing is to back up your personal files. If you use the upgrade installation, you can back up the most important files to other partitions, other software and games can be temporarily ignored, if you want to use the full installation of the way, you need to do the existing system software and document backup. In general, software and games can be reload, in other non-system partitions or mobile hard drives and other places to save a good file and game archive, as well as personal videos, photos and so on.

2. Upgrade process

Download required Microsoft's original official ISO optical disc image (recommended: WIN10 system official version of the Chinese ISO system image download address). After downloading, you can use the virtual optical drive of the soft magic cube (for upgrade installation), hard disk installation and U disk startup tool (for full installation) to open the upgrade process. Specific installation methods can be found in the tutorial "win7/8.1 How to upgrade to Win10 TH2 official edition."

Small Series reminder: The system will be prompted to enter the product key during the installation process, you can click "I do not have a product key" to skip this step, automatically activate the system after the end of the installation (for upgrade installation mode) or manually enter your existing win7/win8.1 installation key (for full installation) to activate the system.

3, back to the previous system

If you still do not want to use WIN10 after the activation is successful, you can select "Fall back to Windows7/windows 8.1" in Settings → updates and security → recovery, and see the steps for the WIN10 system extended return win7/win8.1 system (for upgrade installation). The rollback process time is not too long, after the end of the rollback can fully restore the status before the upgrade, so that "unscathed."

Small series of reminders: If you want to try after the upgrade after a period of time to return, preferably not more than one months. Because after 30 days of successfully upgrading WIN10, if the user has not yet performed a rollback, the original system backup folder Windows.old will be automatically deleted, and "lossless fallback" will not be possible, and win7/win8.1 can only be reinstalled by formatting an existing Win10.

Successful return of the original system, or stay in Win10 users can be in the future unlimited number of free reload Win10. In fact, this is the user and Microsoft "Mutual help" of the win, Microsoft efforts to promote WIN10 installation, in the data to the success of the first time to activate the new equipment, so the current 300 million-device installation statistics is the first activation of the number of devices. User appropriate Microsoft called for a positive upgrade to WIN10, to meet Microsoft's rapid popularization of the new system needs, so users will be permanently free to use the opportunity.