Extract the zip file and just drop the contents in the wp-content/plugins/ directory of your WordPress installation and then activate the Plugin from Plugins page.
== Changelog ==
1.5.0
- Shorter shortcode for easier using.
- Plugin name change, to develop more than only hide content.
- Added funciton to show content only for guests
1.1.2
- Added message to show while hiding content
1.0
- Release date: June 31, 2017
- Initial release.