In general, F12 serves as a shortcut to open developer tools in most web browsers. Additionally, F12 can be used for other purposes in different applications, like opening the "Save As" dialog box in Microsoft Office programs.

What Does F12 Do. Access the list of bootable devices during startup so as to change boot order. Open the Save as window in opening Microsoft Word. Open the document open window in Microsoft Word by pressing Ctrl + F12.

How to Inspect Elements. To inspect elements you have to right-click any part of a webpage and click Inspect > Inspect Element. Alternatively, you can press Command+Option+i on your Mac or F12 on your PC to do the same. Every modern web browser has a native tool for inspecting elements.

Right-click on an empty area of the website or choose an element, and click on Inspect. Alternatively, you can use the keyboard shortcut Ctrl+Shift+I, which will open all the development tools. You can check the Elements tab to inspect elements or the Console tab to detect any errors or warnings.