Using the UJAM Finisher Bundle is easy. First, install the plug - ins on your music production software. Once installed, you can access each Finisher effect like BOOST, DYNAMO, etc., from the software's plug - in menu. When you're working on a track, just select the appropriate Finisher effect to add unique touches to your sound. Remember to adjust the settings according to your needs. As for maintenance, make sure to keep your music production software and the UJAM plug - ins updated to ensure the best performance. Also, avoid using them on a system with low resources as it may cause glitches.