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The second table is a bit bigger and it represents the different possible virtual keys that you can use along with the four mentioned already modifier keys. In the table above you can see what are all 16 possible combinations between these keys that you can use, with 00 meaning that none of these keys is pressed and 0F that all four are pressed… So the first part of the number – the digits 04 represent the modifier key pressed in this case it is ALT, but the value can represent any of the following: ALT, CTRL, SHIFT and the WIN key or a combination between the multiple of these keys pressed. We don’t need the value in the brackets after that (the decimal number), because we are going to use the Hex values here, so when modifying a value int the registry make sure that Hexadecimal is selected as the type of data you are entering. Inside the registry there the keys are represented by a number in Hexadecimal format, for example the 0470 value for the SaveStereoImage as you see on the screenshot above (the Alt + F1 representation). HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\NVIDIA Corporation\Global\Stereo3D\ HKEY_LOCAL_MACHINE\SOFTWARE\NVIDIA Corporation\Global\Stereo3D\ The location for the Stereo 3D settings in the Registry So we are back to some Registry modification to do what we need, but before that we actually need to know how the key combinations are defined as values in the registry and thus it is learning time again… ) Now, through the Nvidia stereoscopic 3D control panel there are settings that allow you to change some advanced key combinations as you see fit, but not all of them are there and the screenshot key combination is most certainly not there either. There was a question over at the Nvidia 3D Vision forum on how you can change the default key combination for taking stereoscopic 3D screenshots (Alt + F1) to something like Alt + Z or any other key combination that is more comfortable to use or is not used by a certain game or application and here is the detailed explanation.