From your personal pc:
- Insert a flash drive into your pc
- Drag your rom to the flash drive
- Look in "my computer" and see what the name of the flash drive is
Plug the flash drive into your batocera pc
- Hit F1 on the mini keyboard
- Look for your flash drive name of the left side and go into that folder
- copy the rom
- then click the "share" folder" and navigate to "rom" folder
- find the correct roms folder, IE mame if mame rom and go into that folder
- paste in the rom
- Hit Alt+F4 on the keyboard to exit to the main screen again
- Hit Q on the mini keyboard
- Go too Game Settings -> Rebuild Game List and click yes to rebuild
The rom should now be displayed under that emulators section
