Fallout 1.5: Resurrection is available in the form of an installer that will guide you through the whole installation process. All you'll need beforehand is a full installation of Fallout 2. If you are unwilling or unable to use the installer for any reason, a .ZIP archive is available for you to use. Simply extract the archive into Fallout 2's root directory to complete the installation manually.
Installer version 1.5 [FoRes_EN_1_5_install.exe, 286MB, MD5 checksum]
Resurrection readme file
Resurrection changelog version 1.5
Soundtrack
Nuclearization - Voyage In The Post Atomic Unknown: This album, created by Emitremmus, was composed as a tribute to Fallout. It also contains songs created for Fallout 1.5: Resurrection.