1. Open Moho ;
2. Click on File - Open the Custom Content folder ;
3. Unzip the file which you downloaded, copy and overwrite the scripts folder ;
4. Restart Moho or press Shift+Ctrl+Alt+L .

The structure of the scripts folder：

If not, please create the folder manually.

What's in each folder?

Tool：

For example:

ScriptResources:

Some .png images, which are icons inside the script (some are placed in the folder, some are not).

Utility：

For example：