Yes, You can................
Far Cry 4 System Requirements______________
#####Minimum Requirements#####
INTEL CPU____Core 2 Duo E6600 2.4GHz
AMD CPU____Athlon 64 X2 Dual Core 5600+
Nvidia GPU____GeForce GT 630
AMD GPU____Radeon HD 6570 1GB DDR3
RAM____2 GB
OS____Win Xp 32
Direct X____DX 9
HDD Space____15 GB