Avast Internet Security 2015.10.0.2208 does not work in Windows 10

Avast Free Antivirus / Premium Security
1

Avast Internet Security 2015.10.0.2208 does not work in Windows 10 Technical Preview.
I could not install it.

2

It should work with the latest beta: https://forum.avast.com/index.php?topic=166172.0

3

There are several threads on this webboard that say it does work, and even how to install it.
But if you want to try avast on Windows 10, I suggest you try the latest version.
https://forum.avast.com/index.php?topic=166172.0

4

This should answer your question:
https://forum.avast.com/index.php?topic=156141.msg1181139#msg1181139