How to reinstall Windows 10?

With this tutorial, learn how to reinstall and reboot Windows 10 on your computer.

Sometimes it is good, if not necessary, to reinstall Windows 10 on a PC, either to give it a second life, restore it because of malicious software or to transfer the operating system to an SSD.

As long as the hardware (motherboard, processor, drivers) works properly, the reinstallation of Windows should not be a problem.

Reinstalling your operating system is an irreversible process, so it is very important to back up all your files (music, photos, videos ..) and all your settings on an external hard drive or on a cloud.

Note that if you are migrating from Windows 7 to Windows 10 for example, Windows will upgrade and keep your files, but it is best to copy them as a precaution.

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Reinstall Windows 10

To reboot your PC and reinstall Windows 10, you can use the “Reset this PC” feature.

Here’s how to do it:

Go to Start Menu → Settings → Update and Security Recovery, and under Reset this PC, click Start. On the screen that appears, select Delete All.

Then, if you want to delete your programs and settings while keeping your personal documents, select the option Simply delete my files.

However, if you want to delete everything, including your files, click Delete files and clean the drive.

Finally, to start the process, click Reset.

Reinstall Windows 10 with a bootable USB key

In case the previous method did not work, you can reinstall Windows 10 from a bootable USB key (reboot) or DVD.

Before reinstalling Windows, make sure you have backed-up all of your data, because once the process is running your C: drive will be completely cleared.

Have a USB flash drive (3 GB minimum) or a blank DVD. Then, download the Windows 10Authoring Tool on your key, or burn it if you have opted for a DVD.

Then, follow the different steps that appear on your screen (language installation, Windows 10 edition, the architecture of your PC).

We advise you to keep this support as it may be useful for future resettlement.

Now turn off your computer and turn it on again with the USB stick or bootable DVD inserted.

The Windows logo appears on the screen and shows you the progress of the installation. Keep an eye on it, as the computer will restart several times and ask you to remove the DVD or restart key.

Your PC is now refurbished.

Finally, check if Windows 10 is activated, go to Settings → Update and Security. In the menu on the left, click on Activation and then on Windows, it is indicated if the system is activated or not. Generally, this activation is automatic.