Safari for iOS
- Tap on the button.
- In the opened menu select the "Add to Home Screen" item.

Chrome for Android
- Tap on the button.
- In the dropped down menu select the "Install app" item.

Firefox for Android
- Tap on the button.
- In the dropped down menu select the "Install" item.

Opera for Android
- Tap on the button.
- In the dropped down menu select the "Home screen" item.

Chrome Desktop
- Click on the install icon in the address bar.
- In the opened dialog press the "Install" button.

Edge Desktop
- Click on the install icon in the address bar.
- In the opened dialog press the "Install" button.
