Installing iPhone 2.2 Software Update on iPod touch

Here's how to check which software version is on your iPod touch:

1. Tap Settings > General >About.
2. The software version number appears next to Version.

If you have iPhone 2.0 software 2.0 or later, follow these steps to update your iPod touch software to the latest version:

1. Make sure you are using iTunes 8 or later. Download iTunes.
2. Connect your iPod touch to your computer.
3. When iTunes opens, select your iPod touch under Devices on the left side of the iTunes window (1) and in the iPod touch Summary pane, click Update (2).
   
   
4.  iTunes tells you if there's a newer version of the iPod touch software available.
   
5. Click Download and Install to obtain the latest version of software.