Windows: Simply install the Windows-Installer package (.MSI-file). If it shows a DLL missing error, you need to additionally install the MS Visual C++ Redistributable Package from here. See also this.

Mac/Linux: Ensure Python 3.11 (or newer) is installed for your platform, then download the ArcheMapper Wheel, and install it via pipx or pip: pipx install ./ArcheMapper-version-.whl. The launcher will be named "archemapper".