:: How to Install Manually::

• On Steam Library, right click on Master Duels icon and choose "Manage" > "Browse Local Files" 
• Open "LocalData" folder > [random ID] folder > "0000" folder.
• Extract the mod zip and open the "modded" folder. Copy all folder inside to the "0000" folder from last step. If it asks to overwrite then you're doing it correctly

Done.

*Original file included in the zip in case you want to revert or failed to install


:: How to Install with Script ::

• On Steam Library, right click on Master Duels icon and choose "Manage" > "Browse Local Files" 
• Copy the folder address from file manager
• Paste the address on the script
• Choose which version to install

Done.