Instructions:

  1. Click "Start" button
  2. Click "Control Panel"
  3. Click "System"
  4. Click "Advanced" tab
  5. Click "Settings" button in performance area
  6. Click "Visual effects" tab
  7. Click to enable/disable "Animate windows when minimizing and maximizing"
  8. Click ok!

or

  1. Click "Start" button
  2. Click "Run..."
  3. Type "regedit" + press enter
  4. Navigate to "HKEY_CURRENT_USER \ Control Panel \ Desktop \ WindowMetrics"
  5. Create or modify "MinAnimate" (String value)
    0 = Disabled
    1 = Enabled
  6. Exit registry

Restart computer