You must EXTRACT this download

If you only open the .zip without Extract All, the cartridges will not work reliably.

Windows

1. Right-click FIRST-EXTRACT-THIS-FILE-TO-OPEN-CARTRIDGES-v1.6.zip
2. Choose Extract All…
3. Click Extract
4. Open the new folder
5. Double-click START.html

Mac

1. Double-click the .zip
2. Open the folder that appears
3. Double-click START.html

If you already extracted this folder, continue here:

Open START.html · Open Cartridge Holder

Español: Debe extraer el ZIP (clic derecho → Extraer todo). Luego abra START.html.