Moscow’s official 2017 metro map, with all the latest changes, is on this metro.ru website. Look for the “Metro map” link at the top of the page. The map is a schematic diagram in both English and Russian. There’s also information about opening dates for new lines. Click the map for a larger clearer jpg image of the map. This will be replaced by the 2018 Moscow metro map when available.
The Moscow street map here below helps to locate the stops easily. To view full-screen, click the square in the top right corner. Zoom in or out and drag the little yellow man to see panoramic views of any location.