I would recommend zipping the executables so the size is smaller to download. Other than that looks like a fun game!
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Then download the export templates, go to Editor and at the bottom you should see "Manage export templates" click on that and you then click on "Install from file" look for the export templates you downloaded and click on it, at this point the export templates are installed, then go to "Project" and then Export and add export, then click on export project. if you need any more help, let me know!