GetWAD is a utility that automatically finds, downloads and installs Doom WAD files.
Last public release: version 2.9 (September 14, 2023).
Win32 executable package with installer
This is the one that most Windows users will need.
Win32 executable package without installer
For people who prefer the manual approach.
Win32 and Unix source code and developer documentation
For developers or Linux/Unix users.
Hippocrates Sendoukas