Option 1: Through Settings:
- Open Settings.
- Click on Personalization.
- Navigate to the Taskbar page on the right-hand side.
- Under the Taskbar Items section, find the toggle switch for Copilot (preview) and set it to Off1.
Option 2: Using the Registry Editor:
- Press Win + R to open the Run dialog.
- Type regedit and hit Enter to open the Registry Editor.
- Navigate to HKCU\Software\Policies\Microsoft\Windows.
- Right-click on the Windows folder, create a new Key named WindowsCopilot.
- Inside the WindowsCopilot key, create a DWORD value named TurnOffWindowsCopilot with a value of 1.
- Restart your computer for the change to take effect.
Please view this step by step video: