It is at the top of the keyboard, typically right of the F11 key. 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.
Developer Tools: In web browsers such as Google Chrome, Mozilla Firefox, and Microsoft Edge, pressing F12 opens the developer console. This powerful tool allows developers to inspect and debug their web applications, view error messages, and test the behaviour of their code.