How do you use controller paks on the N64 emulator 1964 version 0.8.5?

To use controller paks on the N64 emulator 1964 version 0.8.5, first ensure that your emulator is set up correctly. Go to the "Settings" menu and select "Controller Plugin" to configure your controller settings. In the plugin settings, you can enable the "Controller Pak" option, allowing the emulator to recognize and utilize the virtual controller pak for saving game data. Once configured, you can load and save games as you would on a real N64 with a controller pak.