One of masterpiece in Cinema and You're never outdated though I will suggest to watch "House of Dragons" First as it is prequel of GOT like 170+ Years ago story in HOD. I'm watching it as of now and so far Giving me Good GOT vibes.
Anyways Enjoy your series and have fun.
If it is a jewel, I am also interested in seeing the house of the dragon but I already envicie with game of thrones hehehehe greetings 💜.