How install template Help Site?
Install easily
To install the template package, upload it to the {core_path}/packages/ directory. Then in Package Management, click the small arrow next to the "Download Extras" button and select "Search Locally for Packages".
Click "Yes" in the resulting dialog box, and your package should appear in the grid for installation. Click Install and ready.
Next Step: Map main folders Help, Collections and Links
Go to Extras -> Configuration -> Map and set the id related to each folder.