Euro Truck Simulator 1 System Requirements [patched] Link
A Core 2 Duo and an 8800 GT were the "sweet spot" in 2008. At this level, the game will run smoothly at 50-60 FPS on medium settings. You can enable weather effects (rain) and mirror reflections without major lag.
However, a word of caution: ETS 1 is old . euro truck simulator 1 system requirements
how to get client_id and client_secret?
I outlined how to get it in the first couple of lines of the blog post. You can also use the shareplum library, then connect with your username and password.
I’ll update the post to show how to use SharePlum.