How do I get the two ACME apps (in Appian Developer Project: Build an IT Application) installed in my community edition?

I'm just starting the "Appian Developer Project: Build an IT Application" and it mentions looking at the "ACME IT Manegement (AIM)" and "ACME IT Solutions (AIS)" applications, but neither is installed in my community edition server.

Is there some place where I could download their zip files to install them?

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