New answers tagged counter-strike-source
Both games run on the same engine, using the same settings file. Copy your config.cfg file from your CS:S directory for you CS:GO directory, and it should just work.
One thing I would suggest is going into your mouse properties and turning off enhance pointer precision. This can have a similar effect to mouse acceleration which you also want to turn off so that an equal mouse movement always corresponds to an equal movement of the screen.
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