Please can someone contact me and help me get this to work on ipad and samsung and computer.

Hi cazzaskipper!

Welcome to the Trend Micro Home Users Community.

You may check this guide on how to install Mobile Security on Android and iOS devices: 

How to install Mobile Security for Android

How to install Mobile Security for iOS

For computers, here's how to install Antivirus for Windows or for Mac. 

Our support channels are also available if you need immediate assistance with the installation: 

Contact Support

- TM_Reine