This is a popular source for Windows ports of GNU tools. You can download a complete setup installer or standalone ZIP binaries of version 1.0.5 from the Bzip2 for Windows - GnuWin32 page.
How to Download and Use bzip2 for Windows Bzip2 is a high-quality data compressor that uses the Burrows–Wheeler algorithm to achieve compression ratios significantly better than more traditional LZ77/LZ78-based compressors like ZIP or Gzip. While it is a standard tool on Unix and Linux systems, Windows users must manually download it to access its command-line power. Where to Download bzip2 for Windows download bzip2 for windows
Depending on the version you downloaded, installation follows one of two paths: Method 1: Using the GnuWin32 Installer Download the file from SourceForge . Run the .exe and follow the on-screen instructions. This is a popular source for Windows ports of GNU tools