However, as with previous version of Yahoo! Messenger, itâ€™s possible to download full complete standalone installer setup file for Yahoo! Messenger via a direct download link. This stand alone setup program can install Yahoo! Messenger offline, and will install straight away without downloading anything extra. Itâ€™s the same file that the small Yahoo! Messenger setup initiator downloads if you download the â€˜partial installerâ€™ from Yahoo!.
Download Yahoo Messenger 9 offline installer.