To use Timetable plugin, you must be running WordPress 4.4 or higher, PHP5.6 or higher, and MySQL 5 or higher.
Noo Timetable Installation also complies with the common way to install any plugins. it is quite straightforward and easy:
Step 1: Go to Plugins in your admin dashboard >> Add New>> click Upload Plugin
Step 2: Upload NooTimetable.zip file >> Click Install Now button
Step 3: Go to Plugins >> Installed plugins>> Noo Timetable plugin >> click Activate link under name of the plugin to activate it