Fitted with windows (often of a particular kind).(adjective)
Occupying only a part of the screen (in a window.)(adjective)
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Use "windowed" in a sentence
"I play in windowed mode, so the game is more or less always up."
"power signified by wealth title windowed office megacar eecgh!"
"I stuck my hand into the casing and verified that the vga card fan is still running. erm if i recall windowed mode will force the gfx to process even more cause of of the need to process both the desktop and the screen. anyway, does the mobo have an onboard video to run the game?"