Djay pro for windows manual bpm adjust

1.)manual djay for windows write

  1. Manual adjust: If you know the correct BPM, type it in after clicking the EDIT pencil icon and hitting ENTER.
    what is going on doesn’t exist this mode?
    2.)Library when goes down in the bottom with arrow key many time is stickς this is unavoidable stick the software and has to restart it how can I play music with this software
    this is embarrassing to become in front of a crowd in a club