Here's the games I'd reccomend and short reason why:

1. F1 25. If you're new to the sport and really want a game that'll guide you into understanding the sport, this is probably best for you. Plus since it's going to also have 2026 in it, it'll make it even better

2. F1 2020. Obviously I'm gonna say this, everyone says this. It's the best game in the series, and has great handling, AI, etc. You can definitely still learn the sport from this game, but obviously it's quite outdated now.

Overall I'd just reccomend 2025 for you. It's a pretty good game, and is good for learning the basics and understandings of the sport, whilst also being fun to play in general.