Choose the appropriate steam setting for your Steam account based on your preferences.
Choose the appropriate steam setting for your Steam account based on your preferences.
I don't believe you require any tiers... simply visit your profile, make the changes there, and at the bottom you'll find a highlighted showcase section where you can pick your favorite game or similar.
I'm at a level of around 16 now, which should align with approximately level 10.
You need to reach a higher proficiency to participate in any demonstrations. It seems these are meant for those with advanced skills.