Start from working playback
Open the intended permitted video and confirm it plays normally before selecting Picture-in-Picture. Keep the original browser tab or app available. If the programme already fails there, investigate that failure before expecting a floating window to repair it.
Choose a moment that does not require reading dense subtitles while doing another task. A small window can be convenient for a familiar talk programme but unsuitable for detailed sports graphics or a viewer who needs larger captions. Let the content and the viewer’s needs determine whether the mode is useful.
Place and size it deliberately
Google describes dragging a top corner to resize the window and double-clicking or double-tapping to change between sizes. Use the actual behaviour on your Chromebook release. Keep important desktop controls and text unobstructed while maintaining a readable video area.
A practical layout might reserve one side for a document and another for a modest video window. Check the result at the normal viewing distance. This is a suggested arrangement, not an accessibility guarantee; the appropriate size depends on the screen, content and individual viewer.
Distinguish moving from closing
Google warns that dragging the floating window to a top or bottom edge removes it, while a documented tuck action can temporarily move it aside without removal. If the window disappears after a gesture, return to the original player before assuming playback or the account has failed.
Keep playback controls and the app’s own caption options discoverable. At the end, return to the original player or close the session deliberately. When asking for help, report whether ordinary playback works, how Picture-in-Picture was started and the exact move that caused the window to disappear.