How to Custom Install Windows 10 – Windows Blog by Brink

How to Custom Install Windows 10

When you perform a custom install of Windows 10, a clean install of Windows 10 is performed only on the same partition as the previous installation of Windows to replace it, and the previous installation is moved into the C:\Windows.old folder as a backup. Once the custom install has finished, you will be able to copy any files you want back from the C:\Windows.old folder.

A custom install of Windows 10 can be useful if you are unable to start Windows for whatever reason, need to reinstall Windows, but do not want to lose any files in your current installation by doing a full clean install.

This tutorial will show you step by step on how to do a custom install of Windows 10 with UEFI or Legacy BIOS on your PC.

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