OP you have really not taking your time to know the forum, this question you put up in your post is quite unbecoming of someone who has been here for a while (account created in 2015). Your post history is filled with one-line low quality post.
I would try to encourage you to start getting more smart with your post even if English is not your native language.
Try going through these
https://bitcointalksearch.org/topic/what-is-quality-post-really-5109908
https://bitcointalksearch.org/topic/criteria-in-making-constructive-post-2891423
You have gotten the needed answer to your questions so it right to lock the thread(just at the bottom left hand side of the thread)
Topic: When do I get an avatar? (Read 267 times)
Thank you guys for these answers. 
I've been a member of this forum for years. When do I get an avatar?
Criteria to wear an avatar.Need 120 activities and 100 merits then you can find abatar option on your profile settings than upload the required avatar with appropriate size.
Why can't I change my avatar?
You need to be a Full Member and up to be able to have an avatar.
That is the reason you can't get an avatar.You need to be a Full Member and up to be able to have an avatar.
I've been a member of this forum for years. When do I get an avatar?
That's the question, why is it for a long time you don't know when will a user get an avatar here in forum? I've been a member of this forum for years. When do I get an avatar?
You are a member of this forum for years and you don't know when you get avatar?Anyway, you need full member rank to get avatar... Read this > https://bitcointalksearch.org/topic/faq-everything-you-need-to-know-about-forum-activity-account-ranks-and-merit-2766177
I've been a member of this forum for years. When do I get an avatar?
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