Chrome:
Tap on more button in the top right corner Add to home screen Install
Samsung Internet Browser:
Tap on Install button on the right of the address bar Install
iOS
Safari:
tap on share button in the bottom menu Add to Home Screen Add
Windows
Chrome:
click on Install button on the right of the address bar Install
Edge:
click on Install button on the right of the address bar Install
Android
Touch and hold on the icon on your home screen or app list Uninstall (Uninstall the same way as you uninstall other apps installed from Play Store, Galaxy Store, etc.)
iOS
Touch and hold on the icon on your home screen Delete Bookmark
Windows
Chrome:
run the desktop app
click on Customize and control button on the titlebar Uninstall Wellspent Remove
Edge:
run the desktop app
click on Settings and more button on the titlebar
App Settings
Uninstall (located at the bottom of App Settings page)