I see in the 36s WR he goes down the platform but there's no button to drop down from platforms and there's no instructions and I tried every button on my keyboard, please? Thank you.

I don't think it is possible, but I might be wrong. You mind linking the wr?

To drop down the platforms you need to hold down and then hold jump, keep holding both. I just submitted a new WR so here it is lol

the video is not available, I think you made it private. Thanks for the tip tho!