Instructions for how to set up a SystemWeaver server can be found here:
There is no installer for the application.
Then, simply move all the files: .exe-files, configuration files, database, everything, to the new machine. You may have to edit the configuration file to reflect the correct paths on the new machine. If you have all the files, in the same structure, on the new machine as on the old, and still need help getting it running, feel free to contact us via email@example.com for further assistance.