Imac FSX

Hi

I have recently installed FSX SE on my iMac throught bootcamp.

Please see specs:

Windows 8.1

2.7GHz quad-core Intel Core i5 processor (Turbo Boost up to 3.2GHz) with 4MB L3 cache

8GB (two 4GB) of 1600MHz DDR3 memory

1TB (5400-rpm) hard drive

2.7GHz Intel Iris Pro graphics

I am having problems with low FPS and on the display page I am not sure what filtering type I need or if I should tick anti-aliasing.

Can someone help please?

Thanks