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Hello, I’m Nathan, and I’ll be assisting you today. My livelihood depends on your positive feedback, so your satisfaction is my highest priority.
Sorry to hear you’re having trouble.
This is more a function of a particular application, than of windows 7 specifically.
F1 for example is the help menu in most programs.
There are combination keys, such as ctrl+F4 that will close a window/program as well,
for the FN + Function key for hardware things like turning wifi on/off, enabling a 2nd monitor output, etc