Why I can't run games even i have high specs ? i can't run even pes 2010

Derouiche Mehdi

Reputable
Mar 12, 2017
12
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4,510
my specs are :
i7 2.4 ghz
- gtx 750 ti
- 8gb ram ddr4
- windows 7 pro full ( all drivers installed )
problems are :
- lot of lag in games
- i can't run all games even old ones
(sorry for my english)