The Basics Steps in Learning keyboard and Piano is in the following manner.

Important things to be considered in the posture of piano playing

Notes On Electronic Keyboard

Fingering on piano and Keyboard

Semitone and tone on Keyboard

Whole note Half Note Quarter Note and Eighth note on Keyboard

The time signature tells us two things: how many beats are in a measure and which note is worth one beat

Measure or Bars in Keyboard, Piano Sheet Music

Tempo Marking in Music