Best way to revert Router back to oem, (asus tuf ax6000)

What's the best way to revert the router back to the oem firmware? im very much a newb so any help would be appreciated please as i don't know how to do it lol.

Did you try the instructions on the device page?

https://openwrt.org/toh/asus/tuf-ax6000#revert_to_stock_asuswrt

yes i have, well ive tried this.