Will this computer run FSX?

Will certainly this computer have the capacity to run fsx upon High or maybe Normal options:#2914 AMD Athlon II X4 Quad 640 FIVE x 3.0 GHz 4096 MB DDR3 PC-1333 MEMSeven RANDOM ACCESS MEMORY 500 GB SATA HARDDRIVE 22x LG Double Layer DISC +/- R/RW DVD-Drive ATI Radeon HD 5450 1024MB

Computer games rely on graphics card
You simply need to upgrade this ATI 5450
A great ATI 5670 could run it around Medium with good frames, you may run that on High but it really would lagg a lttle bit in a number of areas
ATI 5770 could run perfectly in Huge, you can certainly bump it as long as Maximum within certain spots.