Switch to the old Win7 Alt+Tab dialog behavior in Windows 10

• 1 HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Explorer
  
• 2 Create a new 32-bit DWORD value named AltTabSettings and set it to 1
  
• 3 Sign out and sign in again
  

References

• https://winaero.com/blog/how-to-get-the-old-alt-tab-dialog-in-windows-10/