Pdftk runs on a variety of platforms, including: Windows, Linux, Mac OS X, FreeBSD, and Solaris. Installation packages are available for some of these platforms. If a package is not available for your platform, then download the source code and build pdftk.
Note that some of these packages might not provide the latest version of pdftk (1.12). Check the version history to see how well an older version of pdftk might suit your needs.
Windows Program Download
Download and unzip the following file. Move the resulting pdftk.exe to a convenient location, such as C:windowssystem32 or C:winntsystem32. Open a command prompt and type pdftk --help. You should get these usage instructions.
Tristan Miller has kindly provided a binary RPM for pdftk 1.00. He says it should also work for SuSE 8.2 users and other i386-compatible GNU/Linux systems.