Find out how to download and open zip files on your iPhone using a free app that lets you open, save and share zipped files from iPhone or iPad.

We show you how to open & view ZIP files on iPhone or Android Mobile. You can use built-in feature or apps like Google Files or iZip.

We examine the different ways to download and install Mac apps, whether from the Mac App Store or the internet, and what to do when apps won't install.