There is a video guide on the forum. Cheats for most games are unlocked after certain levels (also on the forum), mainly with prime (300 messages and registration at least a week ago)
download mh be active on mh website at least 300 message and one week register and you will be fine to go iam still new but this information was found on a video on the forum that i saw when i was registered/
for use the mh you need download after come back in the website click in mh ui open your game if you have your messages 300 or more for pubg or other game and click install with your loader open he load after you can open your game