A. Check the location of the downloaded files in V4 Player.
1) Log into the v4 Player.
2) Go to Options --> Player settings
3) Check the location of the Audio Download folder. Please take note of the location since you will need that later.
B. Manually transfer library of v4 Player to v5 Player
1) Log into V5 player.
2) Go to File --> Add Music to Library.
3) Navigate to location of audio download folder in v4 Player(Step 3 of A).
4) Select all files(or do Ctrl+A) and click Open.
5) Depending on the number of files you have, it may take a while to add it to the Library of the v5 player. The player may have a status that it is not responding, if this happens, wait for up to 30 minutes.