A .zip distribution is available for all projects published on this webpage. This zipfile contains the source code of the project, a Win32 executable and any datafiles needed by this executable to run. All projects are licensed under the GNU General Public License, which is included in all .zip files.
If you never ran an Allegro game before, you'll need to run this file to install the file alleg40.dll in your c:\windows\sytem directory. If for some reason this link appears to be broken, try to go to allegro.cc, section Files. Look for Windows DLLs. Download and run this file to install alleg40.dll.