Windows defender causing large laggs?

The antimalware service executable is causing huge laggs on my laptop what can i do can i disable it.

Deactivate Defender and get yourself a good, resource-saving security suite

How can I deactivate it and can you recommend a security suite?

To deactivate:
https://www.heise.de/...30040.html

And my recommendation for over 15 years: https://www.eset.com/de/

Thanks