Couple of questions:

1)Can I play a 32bit game on a 64bit OS??? I've tried to play Red alert 2 with Yuri's revenge and it gave me an error :S

2)AMD Phenom II X6 1055T, ATI Radeon HD 5770 1GB, 8Gb ram 1333MHZ. Can I max out the settings for Crysis? Will it be a nice gaming pc?