Hello,
May I ask what exam you’re preparing for? Is it the Endeavor Overhaul deck that you’re wanting specifically?
There are instructions available for how to install decks that are available on Ankihub. For example, the AnKing Step deck has step-by-step instructions and tutorials:
Additionally, here is a link directly to that page with the appropriate tutorials and walkthroughs:
Those materials are specific to the Step Deck, though the basic workflow and routine will be the same regardless of which deck it is that you’re hoping to work with.
I should probably note that you’ll want to make sure that you have an active Ankihub subscription and are running an up-to-date version of Anki in order for everything to go smoothly.
Please let me know if that answers your question, and if there’s anything else I can help with. Feel free to ask any further questions and I’d be happy to help as much as I can:-)