Please read the Beta Tester page on the Wiki before continuing.
Starting with this beta release you will no longer be able to use the 32-bit viewer as a fallback; if you're one of the people who can't use it due to the faulty Windows 10 driver, please IM Kitty Barnett with your Help / About Catznip and we'll be able to fix the installer for your specific card.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License, version 2.1; it is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
Catznip is not provided or supported by Linden Lab™, the makers of Second Life™.