How to get my Lightroom 4 on my new computer?

See also http://www.lightroomqueen.com/how-move-lightroom-to-new-computer/

    There are a couple of options for downloading Lightroom 4:

    Mac: http://www.adobe.com/support/downloads/detail.jsp?ftpID=5566
    PC:  http://www.adobe.com/support/downloads/detail.jsp?ftpID=5567


    The page linked below should also have links for Lightroom 4:

    http://prodesigntools.com/adobe-lightroom-4-is-out.html#ddl

    Be sure to follow instructions regarding signing in or else the downloads will not process properly.  If you visit one of the other download pages in that site they have a section called "Note: Very Important Instructions" that gives specific steps for signing in.

As far as all the pics that are in it, you might want to ask about that in the Lightroom forum if no one answers here in that regard.

You can deactivate it on the old machine if you plan to never use it there again.