Driver 370.21 for GRID K520 and Windows 7 64bit
You have just chosen a driver to download. This is version 370.21 of 2018-01-10 for the nVidia GRID K520 graphics card and Windows 7 64bit. In addition to the nVidia GRID K520, it supports a further 3 graphics cards, see the "A list of" tab. Make sure it is the right type, and then click the Download driver icon.