Please follow the steps below to import TheGem Demo Content.
The only way that we find handy is using All-in-one WP Migration plugin to install demo-ready sites on your own hosting.
First, prepare a new WP installation on your server.
Second, download your desired demos here. Using AIO WP Migration plugin to import the demo-installed websites (wpress files) on your host. Watch detailed instruction below:
Lastly, install TheGem premium plugins from here.