how to unzip bz2 files on windows

You need to install 7zip to unzip the files. Download the 1 mB file and then install it and the right click on the file and click extract http://www.7-zip.org/

Download 7-Zip 9.20 (2010-11-18) for Windows:

Link	Type	Windows	Size
Download	.exe	32-bit x86	1 MB
Download	.msi	64-bit x64	1 MB