It appears that the Microsoft support article you referenced is currently unavailable ("Service unavailable" error). If you need specific instructions or information regarding the use of the Windows Camera app, please let me know your questions or the topics you'd like to cover. Alternatively, I...
app instructions
camera app
camera problems
camera settings
device setup
digital photography
microsoft windows
photo capture
technology help
troubleshooting
troubleshooting tips
user guide
video recording
windowswindowscameratutorialwindows features
windows guides
windows help
windows support
windows tips