i'm gonna agree with everybody else & say that 20 fps is mostly fine.
in my experience shadows and antialiasing are what kills fps the most, so that's what i'd start tweaking first.
Try reducing visual effects or upgrade your PC
yes it is
You might wanna use P3D V4 as it's a 64 bit version of the game, then follow this :
https://www.clehnert.de/
It's a guide for low to mid end computers which is what I have
I just diable jobscheduler is it a good idea?
what do you do to improve fps?
FsLabs a320 runs very low on my computer, what should i do?
Find tweaking tips and guides on google and youtube, find the problem you got in forums, i thing these can help you.
simplier addons