<span style="color: rgb(85, 85, 85); font-family: Verdana, Arial, Helvetica, sans-serif; font-size: 13px;">While installing plugins, I have not seen plugin install option. Only plugin overview is seen.I am using moodle cloud </span>
Moodle-Learning-Management-System Plugins-in-Moodle 04-05 min 10-20 sec
Install plugins is available for Moodle cloud for admin users. Unless you have changed some user permissions, it should be there. Please check again.