This is just an example, not a recommendation for this product.
Edit: or this is you just want to go direct without an intermediate cable: https://www.amazon.com/AmazonBasics-DisplayPort-Display-Adapter-Cable/dp/B0134V3KIA/ref=sr_1_3?crid=3BARZ2OUWJ7IR&keywords=mini%2Bdisplayport%2Bto%2Bhdmi&qid=1682597841&sprefix=mini%2Bdispl%2Caps%2C75&sr=8-3&th=1
What are you talking about? Mini DisplayPort to HDMI adapters are less than $10 on Amazon https://www.amazon.com/DisplayPort-Adapter-Compatible-Microsoft-Projector/dp/B07JDWR6W9/ref=mp_s_a_1_1_sspa?crid=V05290W8YTZ6&keywords=mini+displayport+to+hdmi&qid=1685890917&sprefix=mini+dis%2Caps%2C221&sr=8-1-spons&psc=1&spLa=ZW5jcnlwdGVkUXVhbGlmaWVyPUFKRENQSU9VVEFDV0UmZW5jcnlwdGVkSWQ9QTA3NDM1MDEzSVFOVlNNUDZFSEIzJmVuY3J5cHRlZEFkSWQ9QTA2MTM3MzYzR0hWUjlWVjRVU0RPJndpZGdldE5hbWU9c3BfcGhvbmVfc2VhcmNoX2F0ZiZhY3Rpb249Y2xpY2tSZWRpcmVjdCZkb05vdExvZ0NsaWNrPXRydWU=