Train Dispatcher 3.5 is legacy software. In its original release, the installation or advanced features required specific password links, license files, or registration keys provided upon purchase.
The "password link" refers to the specific way this software was licensed: train dispatcher 35 password link
The Internet Archive preserves old software titles, often including the necessary text files containing installation notes, default passwords, or public domain registry keys. Train Dispatcher 3
If you are looking for specific operational features related to passwords and linking in this version, here are the highlights: Automated Handoffs If you are looking for specific operational features
Once purchased, you receive a serial number and a password/activation file via email to unlock the full features, including access to all territories and the Track Builder tool 1.2.1, 1.2.4. Why You Need the Password Link (Full Version)