Detailed information on whether the installation process of Win11 will clean up the C drive

We often put some particularly important files in the C drive, so we would like to know if the C drive will be cleaned up if the win11 installation is upgraded. In fact, whether it will be cleaned is related to the installation method we use. Different methods have different results.

Will win11 installation clean up the c drive:

Answer: Normal installation of win11 will not clean up the c drive.

Using a U disk for installation will clean up the c drive.

1. There are currently several methods to install win11.

2. When using the built-in direct upgrade of Windows, you can select "Keep Data" so that the C drive will not be cleaned.

3. If you use a CD or USB flash drive to install the system, you need to format the C drive. At this time, installing win11 will clean up the C drive.

4. Of course, although in theory direct upgrade will not clean up, if there are important files, it is recommended to back them up in advance.

5. Once an error occurs during the upgrade, or the configuration requirements are not met during the upgrade, it may result in file loss.

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