I have a compaq presario. I have a compaq presario xp and I bought 18 wheels of steelamerican long

Question

I have a compaq presario xp and I bought 18 wheels of steelamerican long haul pc game and attempted to play it but it keeps freezing my computer during the loading process. I have tried everything that was instructed to do. when it did play once it was very slow like it was experiencing the same things as a dirty cd but there is no cd required past installation. all of the things required are enabled direct x agp ? etc please help. I returned the previous disc and now have a new one but same game . about to uninstall old disc contents and reinstall new disc hope to get different results