Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
Inviting everyone who uses WordPress management tools in Plesk The Plesk team is conducting a 60-minute research session that includes an interview and a moderated usability test. To participate, please use this link .
Your experience will help shape product decisions and ensure the tools better support real-world use cases.
May be it is not installed or may be your license does not support this feature.
If it is not installed then you can install it via Add/Remove Programs->Plesk->Modify->Change
If your license does not support it then you should contact with SWSoft sales team with a corresponding request.
Anyway there should be a tip in left side of Panel why it's not accessible.