One of the biggest reasons people search for the compressed version is that they are running on lower-end PCs. Here is what you need to run the game:
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The following specifications are required to run the original 2007 version of the game: Minimum Requirements Recommended Requirements Windows XP / Vista Windows XP / Vista Intel Pentium 4 2.4 GHz / AMD Athlon 64 2800+ 2.4 GHz dual core or better 512 MB (768 MB for Vista) 1 GB (2 GB for Vista) NVIDIA GeForce 6600 / ATI Radeon 9800 Pro NVIDIA GeForce 7800 / ATI Radeon X1800 Version 9.0c Version 9.0c 8 GB uncompressed free space 8 GB uncompressed free space Compressed Downloads and Technical Details One of the biggest reasons people search for