There is not a separate download for just the Remote Admin Console. It is part of the Backup Exec Install as a whole (its a different install setting as can be seen in the technote provided above). So, in order to install it, you will need to download the Backup Exec DVD, then run the setup for Backup Exec, then select the "Remote Admin Console" option and finish the installation. You should use the same installation DVD as the Backup Server.
You can download the Backup Exec Installation DVD from File Connect. This technote may help you:
Hope this helps,
Also, check the compatibility list for supportability. BE 2012 and BE 2010 both support Win 7 to install Remote admin console. For earlier versions check the SCL