Would updating my itunes upgrade my ipod touch 4 generation to a more advance iOS?

Updating iTunes on a computer won't itself update the device's iOS but may permit a newer iOS version to be separately installed on it.

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Your model can be upgraded to iOS 6.x.x, but you should not need an iTunes update to do so. Connect it to your computer and open iTunes. Follow instructions below for upgrading from iOS 4.

IPhone, iPod Touch, and iPad iOS Compatibility

Device iOS Verson

iPhone 1 iOS 3.1.3

iPhone 3G iOS 4.2.1

iPhone 3GS iOS 6.1

iPhone 4 iOS 6.1

iPhone 4S iOS 6.1

iPhone 5 iOS 6.1

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iPod Touch 1 iOS 3.1.3

iPod Touch 2 iOS 4.2.1

iPod Touch 3 iOS 5.1.1

iPod Touch 4 iOS 6.1

iPod Touch 5 iOS 6.1

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iPad 1 iOS 5.1.1

iPad 2 iOS 6.1

iPad 3 iOS 6.1

iPad 4 iOS 6.1

iPad Mini iOS 6.1

Upgrading iOS

1. How to update your iPhone, iPad, or iPod Touch

2. iPhone Support

3. iPod Touch Support

4. iPad Support

a. Updating Your iOS to Version 6.0.x from iOS 5

Tap Settings > General > Software Update

If an update is available there will be an active Update button. If you are current,

then you will see a gray screen with a message saying your are up to date.

b. If you are still using iOS 4 — Updating your device to iOS 5 or later.

c. Resolving update problems

1. iOS - Unable to update or restore

2. iOS- Resolving update and restore alert messages

No. The act of updating iTunes does not update the iPod. iTunes 10.7 is needed to be compatible with iOS 6 (the latest OS) devices. After the iTunes update (if you don't already have that or a higher version), then you can connect the iPod to iTunes and check for updates. iTunes will download the update and install it to your iPod. Make sure it is plugged in throughout the whole iOS update process.

What version of iOS do you currently have on the iPod? Settings > General > About > Version. If it is iOS 5.0 or later, iTunes is not needed and you can go to Settings > General > Software Update. If it is older than iOS 5, you will not see this menu and need to update in iTunes.