Download your preferred wallet, either MetaMask or Trust wallet from the App stores, or from your chrome store on browser.
You can purchase ETH on your wallet direct with your banking card, or you can buy on exchange and send to your newly created wallet address
https://app.uniswap.org/#/swap from your mobile wallet broswer, or via google chrome on PC. Connect your wallet to the site and sign the wallet signature.
Switch ETH to $TUZKI, have do not have taxes so be sure to adjust your slippage by pressing the cog wheel and dropping it to either 0 or 0.1%, to avoid MEV bots.