Answer :
F11 is button is used to enlarge the window to full size.
or use the arrow keys to resize the window. Press-and-hold Alt, then middle-click near the corner that you want to resize.
Microsoft Corporation created the computer operating system (OS) to power personal computers (PCs). Microsoft Windows is the first graphical user interface (GUI) for IBM-compatible PCs.
Microsoft's pre-existing MS-DOS disk operating system was only expanded upon when Windows was first released in 1985. By opening graphical "windows" that displayed the contents of electronic folders and files with the click of a mouse as opposed to inputting commands and directory locations at a text prompt, they made it possible for DOS users to explore a virtual desktop for the first time. Parts of this were based on principles that Apple Inc. had used under license for its Macintosh System Software.
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