|"I want to use a different AV program other than Windows Defender"|
That is what I use.
Go to any Malware forum & no matter what AV they have installed, they got infected.
It is up to the User to be vigilant.
Use Unchecky to help prevent these third party installs. Nothing is perfect, the badies are always ahead of the goodies, so be vigilant.
A reliable application that aims to protect your computer against third-party components often offered during software installations.
"install a different AV program such as Avira, Avast or AVG?"
Installing any of those programs, automatically turns off Defender.