Which opening do you recommend for a beginner?
Try the king's indian attack for white. Also learn botvinik systems. They are simple, system based openings with clear plans and maneuvres
For black against 1. d4, I have a free course out.
Start the video at 02:14 ( https://youtu.be/0UspRCrw-ho?si=IMdV8RzJTfRtJ97a )