You can uninstall FabFilter Total Bundle from your computer by using the Add/Remove Program feature in the Window’s Control Panel. When you find the program FabFilter Total Bundle, click it, and then do one of the following: Windows Vista/7/8: Click Uninstall.
Add audio files on both the main track and the side chain track. You can simply drag audio files from a Finder/Explorer window onto a track. Select the main track and add Pro–C 2 in the first Insert effect slot. Open FabFilter Pro–C 2’s interface, enable Side chain expert mode and set Side Chain to Ext.