Spyware is a type of malware that can infect your computer and collect sensitive information, such as your passwords, credit card numbers, and browsing history. It can also track your online activity and send this information back to the attacker. Spyware can be very difficult to detect, as it often runs in the background without your knowledge.
There are a number of reasons why you should check your computer for spyware. First, spyware can steal your personal information and use it to commit identity theft or fraud. Second, spyware can damage your computer by deleting files or slowing down your system. Third, spyware can be used to track your online activity and target you with unwanted advertising.