How to turn on reverse key in QQ Dance traditional mode (4 keys)? Quick request.

First of all, you need to create an anti-key room

1. When you create a stage, you need to put a check mark on the box that allows anti-keys to appear in the game

2. Go to the room and click on Change in the upper-left corner, then click on Mode in the left side of the box. Mode is also underneath the anti-keys that appear in the game, put a check mark on the box. After setting up the room, you need to press + and - on the game. Oh

If my answer is helpful to you, please click "adopt" below, hope 5 stars to adopt, O(∩_∩)O thank you!