Press Windows key + Up arrow (Win+Up) to maximize the active window. The shortcut applies to the window that currently has focus; it is different from snapping a window to one side or opening Snap layouts.
What does Win+Up do?
Win+Up maximizes the active window, according to Microsoft’s Windows keyboard-shortcut reference. “Active” means the window currently in focus. If the intended app is not focused, click it first or switch to it, then press the shortcut.
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Microsoft’s keyboard tips describe Win+Up as moving a focused window through minimized, windowed, and maximized states. The shortcut list identifies its intended action as maximizing. What happens can depend on the window’s current state and the application.
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How is maximizing different from snapping?
Maximizing expands a window to fill the available desktop area. Snapping arranges it alongside other windows. Microsoft’s Snap guide covers Windows 10 and Windows 11 and explains that Snap can be used with a keyboard, mouse, or touch.
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- Win+Up: maximize the active window.
- Win+Left or Win+Right: snap the active window to the corresponding side; these shortcuts do not mean “maximize.”
- Win+Z: open Snap layouts, where you can choose an arrangement.
Snap options are configured in Settings > System > Multitasking. Microsoft states that Windows 10 support ended on October 14, 2025, so the guide’s inclusion of Windows 10 does not mean that version remains in standard support.
Related window shortcuts
| Shortcut | Action |
|---|---|
| Win+Up | Maximizes the active window. |
| Win+Down | Minimizes the active window. |
| Win+Shift+Down | Restores a snapped or maximized window. |
| Win+Left / Win+Right | Snaps the active window to the left or right side. |
| Win+Z | Opens Snap layouts. |
These actions are listed in Microsoft’s shortcut reference. Some common app shortcuts may not work in every application, and an app can handle window states differently.
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If Win+Up does not maximize the window
- Make sure the window you want is active, then try again.
- Check whether the app supports maximizing or is already maximized.
- If you meant to return a maximized or snapped window to a smaller state, use Win+Shift+Down instead.
- If you wanted a side-by-side arrangement, use Win+Left or Win+Right; use Win+Z to choose a Snap layout.
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