What are the admission requirements for the (pre)master programmes for students with a Dutch diploma?

Do I need a minimum GPA in order to apply for a (pre)master programme?

Can I start the programme mid-year?

When can I apply for a (pre)master programme?

I have applied in Studielink but I have not received my ERNA id.

I have registered in Studielink. What do I do next?

What are certified documents and how do I obtain them?

When do I receive information on my application?