# Using the Media Creation Tool
One of the most common solutions to many problems in Windows is reinstalling it. While built-in settings exist that do this, they rely on an embedded image that can often become unstable or unusable, and as such the Media Creation Tool is recommended for this purpose.
At least 8 GB of space on the
C: drive is required to run the tool.
# Downloading the tool
Click the Download Tool Now button.
After the tool has been downloaded, run it.
# Using the tool
The first thing you will see is this screen, click Accept.
The next screen you see will be this, wait for the installer to complete preparation.
This is where you select what you want to do.
If you want to repair the Windows installation on this computer click Upgrade this PC now and follow Method 1.
If you want to reinstall Windows on another computer click Create installation media and follow Method 2.
# Method 1: Repairing an existing installation
This is the screen that you will see, wait for Windows 10 to finish downloading.
This is the final screen you will see before it starts re-installing Windows 10. Assuming that you want to keep your files, you can just press Install.
Alternatively, you can click change what to keep and choose either Personal Files and Apps, Personal Files, or Nothing.
After this, the tool will start re-installing Windows 10.
# Method 2: Creating installation media
You need a blank USB with at least 8 GB of space for the following steps.
Select the correct Architecture, Edition and Language of Windows 10, or use the recommended settings.
If you're planning on installing Windows on another PC and don't know what to select for the architecture, then choose both x86 and x64.
Select USB Flash Drive.
Select the USB that you have inserted. ANY DATA ON THE USB WILL BE ERASED
Wait for Windows 10 to finish downloading.
After this, you will see a screen saying that the flash drive is ready. Click finish, eject the USB, take it out and insert it into the computer that is not working.
# How to re-install Windows using a USB
Turn on the computer that is not working, and repeatedly press the boot menu key. This depends on the manufacturer of your device and can be found out using a web search engine.
Once open, move the cursor using the arrow keys to the name of the USB you have inserted and then press Enter.
You will now boot to the Windows 10 Installer. For further guidance, see Installing Windows 10.