4
You don't need reputation (that's how we call it) to ask questions (or answer them); you can already do that at 1 reputation. You do need 50 reputation to comment.
You gain reputation by asking good questions or providing good answers; other community members can upvote them and you'll get 10 reputation for each upvote. Another common way (where I got most ...
support reputation comments asking-questions
Only top voted, non community-wiki answers of a minimum length are eligible
Related Tags
support × 213status-completed × 42
synonym-request × 23
discussion × 20
retag-request × 17
tags × 16
reputation × 15
user-accounts × 8
scope × 7
bug × 7
suggested-edits × 6
protected-questions × 6
questions × 5
editing × 5
tag-synonyms × 4
question-appropriateness × 4
flags × 4
asking-questions × 4
chat × 4
feature-request × 3
specific-question × 3
moderators × 3
comments × 3
migration × 3
moderation × 3