Accessing Windows Recovery Environment

To access Windows Recovery Environment (Windows RE, or WinRE), do one of the followings:

• From the login screen, click the power icon, then hold down the Shift key while selecting Restart.
• Click Start > Settings > Update & security > Recovery > under Advanced Startup, click Restart now.

• Run the following command in a CMD window:

  shutdown /r /o
  

Reference

• https://docs.microsoft.com/en-us/windows-hardware/manufacture/desktop/windows-recovery-environment--windows-re--technical-reference?view=windows-11