1. Download Bitcoin wallet app / extension
2. Create your wallet
3. Write down your Seed (Recovery) Phrase and don't show it to anyone 😁
4. Fund your wallet with BTC either by buying it inside the app or by transferring it from a different account (could be on centralized exchange)
5. Wait for transfer to confirm (it might take a few minutes or even longer because your transaction has to be included in a newly mined Bitcoin block, so be patient 😉 )
6. Once BTC arrives in your wallet start browsing marketplaces and check out new collections that are currently minting