A new tool named Rebound 11 enhances the user interface of Windows 11 using the Windows App SDK and WinUI 3 API, aiming for greater consistency and a secure user experience. It does not alter critical system files and offers applications such as WordPad-style text editors, a modernized file explorer, and a revamped Control Panel. Rebound 11 integrates with both Win32 and Microsoft Store applications and is designed to be safe and reversible. Minimum hardware requirements include a 2 GHz CPU, 4 GB of RAM, 2 GB of free storage, and a DirectX 12-compatible GPU. It is open-source and does not interfere with Windows Update processes.