Use your computer mouse or keyboard to play the virtual piano keyboard (or the device touch screen for mobile devices). You can view the corresponding computer keyboard letters by activating the “Real Keys“ feature. For the entire keyboard spectrum, click it twice.

If you got the hang of it and are interested in playing your favorite songs using the virtual piano keyboard, use the OnlinePianist piano lessons or mobile app (iOS app, Android app).

Real Keys   Indicate the corresponding computer keys for the middle octaves & piano keys of a real piano. (turned on by default)

Max Keys  Indicate the corresponding computer keys for the entire spectrum of a piano keyboard. (Tap once on the “Real Keys” feature to activate it.

Sustain   Simulates a piano's sustain pedal. Use the sustaining feature to let the sounds freely continue
until they naturally cease.(turned on by default)

Letter Notes   Use the letter notes feature to display ABC or DoReMi letter notes on the piano keyboard keys.

Metronome   The Metronome feature enables you to play at a regular tempo. Use it to improve your timing.
You can adjust the Metronome based on BPM (beats per minute) or time signature.

Zoom in / out   Switch between five octaves & 60 keyboard keys (turned on by default) and a full piano
keyboard display of 7 1/4 octaves & 88 keys

Full Screen   You should know what this one does ;)