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  1. Connect the device to the computer
  2. Launch iTunes on the computer
  3. Go to the Apps section of iTunes
  4. In the bottom right of the screen, location the options "Check for Updates"
  5. Enter the Apple ID that you used to purchase TouchChat previously.
  6. The update will start downloading

You can also update TouchChat directly from the device.  The App Store icon should show when updates are available to download on the device.  When an update is available, the app store icon will display a number on the right hand corner of the icon.

  1. Tap on the App Store icon
  2. Tap on Updates on the bottom right of the screen.
  3. The apps that require updating will show up.
  4. Tap either Update on the application of Update All in the upper right hand corner.
  5. Enter the Apple ID that you used to purchase TouchChat previously.
  6. The update will start downloading.