The Update is coming. Here are the download link of Yahoo! Messenger 10.0.0.1270 Offline Installer, Stand Alone Download. This is the US (English Version), You can find the other version by editing the link that we ever wrote the how to before.
An update is available!
You are currently running Yahoo! Messenger 10.0.0.1264. A newer version, Yahoo! Messenger 10.0.0.1270 is now available. Please update your version of Yahoo! Messenger to ensure that you have the latest features and security updates. Click the “Update Now” button to continue.
Download Stand Alone Offline Installer Yahoo! Messenger 10.0.0.1270
Just click the link below and the downloading process would be appears. We used the link just from YM for US version (English):