Here are the specs for your Compaq Presario SR1750NX Desktop Computer. According to the specs, this model shipped with Windows XP installed at the factory.
You should be able to install Windows Vista without any issues.
You should be able to install Windows 7 but may need to install an upgraded graphics card. Please see the "Windows 7 Upgrade Advisor" to test your computer for Windows 7 compatibility.
You may be able to install Windows 8 provided the motherboard supports PAE, NX, and SSE2 and you upgrade to a MicrosoftDirectX 9 graphics card with WDDM drivers. Please see the "Windows 8 Upgrade Assistant " to test your computer for Windows 8 compatibility.
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