Official Windows Live Download
Get the archived Windows Live installer from Microsoft via the Internet Archive (Wayback Machine).
Download Installer
https://web.archive.org/web/20091225025922/http://wl.dlservice.microsoft.com/download/E/3/E/E3EEC6D6-1141-40C4-840F-770F99B67986/en/wlsetup-all.exe
Note: This is the official Windows Live installer from Microsoft (2009). While it is safe, it is an old executable — scan with updated antivirus software before running.