Enable Aero Glass Transparency in Windows 8

  1. Right-click the desktop and select Personalize.
  2. Enable the High Contrast #2 or 1 theme by clicking it.
  3. Click the Color option.
  4. Leave the Color and Appearance window open — don’t click anything.
  5. Right-click your desktop and select Personalize to open a second Personalization window.
  6. In the second Personalization window, click one of the Windows default themes to enable it.
  7. Go back to the Color and Appearance window you left open and click the Save changes button.
  8. You’ll now have Glass Transparency window borders.

Video Tutorial: