I haven’t run spyware or malware in a long time, but even Macs get infected.
This is a good, free app to download and scan once in a while – Malwarebytes
I set it up in minutes, and I am using the free one which means I have to manually open the software and tap “Scan” rather than having it do it automatically. *shrug*
It found 4 items to quarantine which is way better than on my old PCs where it would be hundreds…