you do not have permission> why?

[wasil]

I was happy when I found this fourm.
I was looking for some information about vbulletin 3.5.0

I found a nice style at this post
https://vborg.vbsupport.ru/showthread.php?t=98052
things went ok untill I had been stopped by this msg which prevent me from installin or downloading the style
I tried to post a reply but the same msg stuck in my face
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wasil, you do not have permission to access this page. This could be due to one of several reasons:

Your user account may not have sufficient privileges to access this page. Are you trying to edit someone else's post, access administrative features or some other privileged system?
If you are trying to post, the administrator may have disabled your account, or it may be awaiting activation.
Log Out Home
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if you want or get out sorry log out.

guys I want to understand what is going on?
what are the rules here?
when can I download the files and the attachments?
and how?

I am new here
I need your help