What Sketchup version to get for an old Macbook A1342? OS High Sierra 10.13.6

The reason I ask this is that maybe older versions don't put too much stress on an outdated hardware and OS.

I have 8GB RAM.

MacBook (13-inch, Late 2009)

Processor: 2.26 GHz Intel Core 2 Duo

Graphics: NVIDIA GeForce 9400M 256 MB

I will use it to do simple 3d stuff. No renders, nothing fancy. I don't want to use the free online version. I want to install it.