How to sync my apps from my iPhone 4 on iTunes 11?

I feel kinda stupid, but I can't figure out how to sync my apps from my iPhone 4 to the new iTunes so that I can update to the new iOS.

Can someone please walk me through it? I just want to rip my hair out!

Open iTunes > File > Devices > Transfer Purchases From "Your iPhone Name" so that all apps will appear in your iTunes. Also, make sure that iCloud is ON so that all apps which you purchase will automatically sync across all your devices.

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