How to Upgrade your Phone to IOS 8 for free - will work on iPhone/iPod Touch/iPad

https://www.youtube.com/watch?v=F0OAs8LljZY

Directly From your Phone, IPod or IPAD

Step 1 -  On your  iPhone/iPod Touch/iPad open an app called Settings 

Step 2 - Click General from the list

Step 3 -  Then click on Software Update
Step 4 - Click Download new iOS 8
Step 5 - Wait for it to download an then click install

or

From Your Computer 

Step 1 -  Connect your iPhone/iPod Touch/iPad to your Mac computer

Step 2 -  A message will appear for New firmware iOS 8 update

Step 3 - Click  Download and Install
Step 4 -  leave it connected while it installs iOS 8.