How To Disable Rounded Corners In Windows 11 [new] Jun 2026

But for a significant subset of users—power users, pixel-perfect designers, developers, and those with specific visual sensitivities or workflow requirements—rounded corners are not a feature. They are a bug. They waste screen real estate, break precise window-snapping layouts, create rendering artifacts in legacy apps, and clash with the sharp, rigid geometries of professional design tools.

Note: This will significantly change your desktop colors and transparency. Method 2: Use the Registry Editor how to disable rounded corners in windows 11

If you simply prefer the visual sharpness of Windows 10, consider whether the constant maintenance and occasional breakage are worth the aesthetic trade-off. The rounded corners are not going away. Microsoft has explicitly stated they consider the soft geometry “core to the Windows 11 brand identity.” But for a significant subset of users—power users,

Press to quickly toggle High Contrast mode. Note: This will significantly change your desktop colors

The simplest way to remove rounded corners without installing software is through High Contrast themes. These themes prioritize visibility over aesthetics and naturally force square borders across the UI.

A Registry tweak can sometimes disable the staging buffer responsible for rendering modern frame effects, leading to sharper edges. Press , type regedit , and hit Enter.