Let's say you downloaded OOZARUVEGETA, which is a really old BASTON fighter file. Here's how to open it.

1. Add .zip to the end of your file, so it is now named OOZARUVEGETA.zip

2. Unzip OOZARUVEGETA.zip to retrieve the file data.json

3. Open data.json with a text editor

4. Add "BASTON":"fighter", just between the first parenthesis { and "version" to obtain this:

5. Save the file

6. Open the file in the Fighter Editor to see if it's good

7. And it's done. Don't forget to save your fighter and put the new fighter file in your Collection folder