• Open BpmChecker
• Open an MP3 to play
• Listen to the music, start tapping along with the beat using the space bar and watch the BPM panel
• Once the BPM is stable you can stop tapping and add the BPM to the file name and/or MP3 ID3v2 tag
• Now you eventually can select a new file to play and start tapping again...
• Close BpmChecker