You can get good screenshots with several tools – this list contains the basic tools of the most common systems and OS. A couple things to remember though, if your bug involves an action the chances are a video would demonstrate your bug better and when you do provide a screenshot don’t forget to include the URL in the selection!

Chrome / Firefox

• Awesome Screenshot Plugin:
  https://www.awesomescreenshot.com/

Windows

• older Windows: use the “Print” key and edit the screenshot with Paint

• Vista, 7, 8, 10: use the Windows Snipping Tool

Mac OS

• total screen: key sequence ‚cmd’+’L-Shift’+’3’
• screen section: key sequence ‚cmd’+’L-Shift’+’4’

Android

• Home Button + On/Off-button (older Versions)
• On/Off-button + volume down (newer Versions)

iOS

• Hold On/Off-button and tap the Home Button