Rank 1
This is a default rank, with this rank, you can download 2 files per week
Rank 2
Unlock Rank 2 and you'll be able to download 4 files every week
Rank 3
Reach 3rd rank and you'll be able to download 6 files every week
Rank 4
Once you unlock Rank 4, you can download 8 files per week
Rank 5
5th rank allows you to download 10 files per week
Rank 6
Download 12 files every week after unlocking the 6th rank