...can only be done by registered users (on most of the forums - For Sale & Wanted are 2 notable exceptions).
If you want to download any attachment from any posting, you must be
- A Registered User on this BB, and
- Logged-in
In fact, unless you are registered AND logged-in, you won't even see any attachments to any postings. If you read oblique references to attachments, but don't see the attatchments, you now know why.
It's an ill wind that never blows at all.