How to check if my MacBook has a virus?
I've had my mac for about 2 years now, and it worked perfectly and very crisp. But for some time it has been running very slow, although I have 227 GB available. Opening applications takes a lot of time and I often have to close not responding windows such as safari, videos or email. How do Mac users know if they've got a virus, and how can I virus-scan my computer?
MacBook