Chrome 70 is now available to download and brings Picture and Picture mode to all users. The feature was previously available for testing in Chrome 69 but needed Flags to activate.
The update also brings 23 bug fixes and improvements, including the ability to install PWA apps to the desktop/start menu and launch them chromelessly.
See Google’s video about the update for developers below:
To force the update to Menu> Help> About Google Chrome and Restart your browser when the download is complete.