Conversely, much older software that hasn't been updated in years may run into errors while running on newer operating systems like Windows 10. Older versions of Windows often have trouble running modern software and thus Windows Live Messenger may run into errors if you're running something like Windows XP. Does Windows Live Messenger work on my version of Windows? It's good practice to test any downloads from the Internet with trustworthy antivirus software. We tested the file wlsetup-custom.exe with 24 antivirus programs and it turned out 100% clean. Is Windows Live Messenger safe to download? Windows Live Messenger is available to all software users as a free download for Windows. This download is licensed as freeware for the Windows (32-bit and 64-bit) operating system/platform without restrictions. The client has been part of Microsoft's Windows Live set of online services since 2005. 416 (formerly named MSN Messenger) is an instant messaging client created by Microsoft that is currently designed to work with Windows XP (up to Wave 3), Windows Vista, Windows 7, Windows Mobile, Windows Phone, Windows CE, Xbox 360, Blackberry OS, iOS, Java ME, S60 on Symbian OS 9.x, and Zune HD.