If you want security without virus software and constant upgrades, don't use an Android device .. use a Windows 8.1/10 device
if you want a high quality experience, but don't want fleecing, don't use Apple .. use a Windows 8.1/10 device
*simples*
.......I think the Samsung Tab S comes with Avast which is ok ......
To check if you have it go to settings, applications and scroll down the list on the right it should be near the top (its alphabetical)
If you don't have it Go to the playstore and download it....... its free
Simples
Thanks Steve, I was looking in the right place and I hadn't got it. Anyway I have now, well at least it's on the list )
Avast Mobile Security v 4.0.8139 ok