# Installing ATLauncher

Go to the [ATLauncher Website](https://atlauncher.com/downloads) and click "Setup" under the Windows category.

![image](../img/installing-a-launcher/atlauncher/1.png)

Run the executable file you just downloaded, then make your way through the installer. Once the installer is done, run ATLauncher.

Once you're in ATLauncher, go to the Accounts tab.

![image](../img/installing-a-launcher/atlauncher/2.png)

Click the "Login with Microsoft" button and follow the instructions it gives you.

You're done! See [Installing the Modpack: ATLauncher](../installing-the-modpack/prism-launcher.md) for more instructions.