Malware and potentially unwanted software can change the way your computer behaves. However, most malware tries to stay hidden from you, so it is also likely that you won’t notice anything.
The best way to stay safe is to install up-to-date security software.
Microsoft has security software that gives you real-time protection from viruses and potentially unwanted software. This includes:
You should scan your computer regularly and keep your security software up-to-date.
Some malware can steal your personal information. If you suspect you have been infected it is a good idea to change your passwords once you have cleaned your computer.