For MuseScore 3 users, see Repeats and jumps
To hear repeats during playback make sure the "Play Repeats" button on the toolbar is selected. Likewise you can turn off repeats during playback by deselecting the button.
In the last measure of a repeat you can set the measure operations "Repeat Count" to define the number of played repeats.
Repeat text such as "D.C. al Fine" or "D.S. al Coda" is located in the repeats palette .