Install Junk-Store
Make sure you have the latest version of Junk-Store installed from the Decky Store.
Switch to Desktop Mode
Download the latest GOG extension ZIP file from the portal, then right-click the ZIP file and choose "Extract Here".
Launch the Installer
Double-click the extracted file to launch the installer.
Confirm Installation
Follow the prompt to install the GOG extension.
Return to Game Mode
Once installed, switch back to Game Mode.

Note: You will need to reinstall the dependencies after installation.
Verify the GOG Tab
The GOG tab should now be visible in Junk-Store. Log into GOG using your GOG account credentials.
Test with a Simple Game
Install a basic game like Absolute Drift to confirm the extension is working correctly.

Most issues are quick to sort out. Here's where to start.

Still stuck? Open a support ticket right in the Support Portal

For game-specific issues, feedback, or just a chat, you'll find us on:

On Discord, head to the #decky-support channel.