graphic settings without lagging (Hitman: Contracts)

There was znakomyj he was still greevna vidyushka GeForce 5200 , so I had a 5500 , so how would I did not set I was fasting glitches, then he znakomyj that there showed biliary regime pressed a few buttons in the chart in the end flooded with no brakes, right now, I vidyuhi 64MB + HP stripped down to impossible is but OKR locality proposes. maybe someone knows the magic secret?