Are you looking for the direct download link of iOS 8? If you like to install iOS 8 on your Apple devices offline, you can download the appropriate version of iOS 8 now and install later using iTunes.
Apple recently announced the release of iOS 8 for the Apple devices like iPad, iPhone and iPod. If you have a new generation iOS device, you can directly upgrade your device without having to download the files.
However, if you prefer to download the iOS 8 installers on your computer and later use iTunes to install iOS 8 on your device, you can download the files now. Apple has provided the direct links for the iOS 8 installers.
Find the links to download various versions of iOS 8:
If you have a high speed broadband connection, it is recommended to upgrade your device directly over the air. Go to your device and you will see the prompt to upgrade the OS for your device. Make sure you have taken a complete backup of your device before you start the upgrade process.