1. Click on the button "Purchase Spartacus NFT on OpenSea". 
2.  You'll be redirect to official Jiří Bubeníček's NFTs Profile on Opensea.io.
3. Chose between Spartacus Ultra-Rare, Rare or Common NFT.
4. Chose payment methode between credit card or crypto* and after the payment your "Spartacus NFT" will be send to your electronic wallet.
5. If you don't have any electronic or crypto wallet yet,  chose one of wallet suggested by OpenSea.
6. After completing the registration form, you'll be able to purchase your desired NFT.

*you can purchase NFT with credit card or cryptocurrencies. If you don't own any cryptocurrencies, you may purchase ETH, WETH or UNI cryptocurrency first.