Yahoo! Messenger version 8.1 is the current official final version of Yahoo! Messenger that not in beta stage, while Yahoo! still simultaneously develop another 2 new versions of instant messaging (IM) clients – Yahoo! Messenger 9 (latest version 9.0.0.922) and Yahoo! Messenger for Windows Vista (download Y!M for Vista beta version 2008.01.11.428) – both of which still in beta testing phase. If you’re not one that fond of be a ‘guinea pig’, the final 8.1 version is the way to go. And Yahoo! Messenger 8.1 build has been updated to 8.1.0.421.
Skip downloading Yahoo! Suite Installer, which provides users with options to install also Yahoo! Toolbar, Quick Launch bar shortcut, Yahoo! Browser Services, and etc by using the direct download link below to get the true full version Yahoo! Messenger setup installer. The standalone Yahoo! Messenger installer also can be distributed for offline installation.
US English: ymsgr810_421_us.exe