On the PC, Area 51 excels most in the realm of visuals, though perhaps not quite as much so as on consoles. The graphics have a consistently sharp, well-rounded look. All the environments are nicely detailed and are actually pretty well varied, despite almost entirely taking place within the confines of a government laboratory.
Steps of installation:
1.) Extract the downloaded games and double click on unpack.bat
2.) After complete extraction extract the game patch in the same directory in which you extracted the game.
3.)Run the game and play.
System requirement:
256 mb ram
pentium IV
64 mb video memory
