Open the Example Sales App demo project (you can search for it in the Start Menu).
In the Deploy page, Select External as the target run mode, and then select Folder as the target server.
Specify to generate the package as a Folder.
Specify how to package the PowerServer Web APIs (view instructions here). Make sure the settings match those of the target environment.
With this done, click the Build & Deploy Project button on the PowerServer toolbar to generate the package.
After the package is generated, go to the location, and find the package.