The main scan of A1 Cleaner can be done in one of three ways: 1. Clean PC (45 processes with one click of a button). 2. Remove Tracks - (25 processes with one click of a button). 3. Do-it-yourself - (87 processes to choose from). - 7 Bonus Tools - A1Click Technology - No Remains Deletion - Automatic Scan - Undo - and much more.