BGBlitz installation programs are available for the following platforms:

Windows-download 32-Bit with already integrated Java 6. Specially adopted for highest performance. Highly recommended, especially for Vista and Windows 7. Download (36.6 MB) no further downloads needed
Windows-download 64-Bit with already integrated Java 6. Specially adopted for highest performance. Highly recommended, especially for Vista-64Bit and Windows 7 64-Bit. The 32-Bit version will work too and might be faster depending on your PC. Download (33.3 MB) no further downloads needed
Windows-download without Java Download (16.0 MB) Instructions
Mac OS X (Intel and PowerPC) Icon universal binary Download (16.9 MB) Instructions
Linux, FreeBSD, OpenSolaris (other Unixes and OS/2) Download (15.8 MB) Instructions
Mac OS 9 (BGBlitz version 1.9.0) Download (8.1 MB) Instructions

On systems without an installed Java you should install an appropriate version of Java (see Requirements) or use a download with integrated Java.

Themes
A wide selections of themes (skins) is available on the themes page.

Match-Databases
The BigBrother-database is here (3.3 MB). It contains about 3,000 matches from FIBS recorded by BigBrother and Little Sister with nearly 10,000 games.

Position-Databases
Paradoxes and Probabilties:169 Positions from Cooke's classical book "Paradoxes and Probabilities". Common folklore tells that about a third of the solutions are wrong. But which are and to what extent?

Backgammon for Profit: 121 positions from Dwek's book.

Better Backgammon: 64 positions from former champion Tim Holland's book.

New Ideas in Backgammon: 104 positions rolled out with Snowie. Where do Snowie and Jellyfish have different results?

Quiz from Oslo Open 1999: 18 interesting positions with solutions, comments and rollouts from the Oslo Open 1999 made by Stein Kulseth.

Webby's Backgammon site has four quizzes with difficult positions. Here as position database files. Quiz 1, Quiz 2, Quiz 3, Quiz 4 and Quiz 5