How to upgrade Win10 system without formatting C drive? Figure

  

The installation of Win10 system is nominally upgraded from Win7 and Win8, but it is actually reinstalling the system. . So is there any way to upgrade Win10 without formatting the C drive?

Not formatting C drive to upgrade Win10 method

The first step, we first download the ISO format Win10 image file, and then extract the file;

The second step, Open the unzipped folder, find and double-click to run Setup.exe and follow the prompts. However, it is recommended to try to install Win10 with a local account. After the installation is complete, go to Microsoft users. Select the bottom left corner of the installation. Do not use Microsoft. Account login system (not recommended) & rdquo;, regardless of Microsoft recommendations are not recommended.

The above is not to format the C drive to upgrade Win10 method, use this method to upgrade, C drive will not be lost.

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