In an odd twist the Lab has made available a legacy Second Life™ viewer for those running obsolete, unsupported operating systems. That means Windows XP and Mac OS 10.7 and earlier. You may know that current releases of the SL Viewer will not install on these older systems.
You can get a copy of this viewer from the Official Alternate Viewers Page. Official name: Second Life Obsolete Platforms Viewer version 3.7.28.300847.
This viewer will NOT update. There will be no updates and while I am not sure about the auto-update feature I suspect it is disabled. Continue reading