Microsoft's built-in antivirus program is a step in the right direction, but is Windows Defender good enough in comparison to full-scale AV solutions?

Find out what graphics card you have and monitor its health on a Windows PC. Learn how to check your graphics card in a few simple steps.

Installing a RAM upgrade on a Windows PC is a great way to boost performance. Find out how to get more PC memory here.

Blocked websites are history. Here’s how to unblock sites using a VPN, proxy, and more – whether at school, work or home.

Is your computer overheating? Find out how to stop a computer from overheating and how to keep it cool ​to improve performance.

Computer viruses and worms are often confused with each other, but they're not the same. Find out what the main differences are and why they matter here.

Mac users often feel protected by the security features in macOS, but Macs can get viruses. Find out why Mac viruses can still be a threat.

Spyware is a type of malware that spies on your computer and steals sensitive information. Learn what spyware is and how to stay protected.

Ransomware is a threat to individuals, businesses, and even hospitals. Learn how ransomware works and keep your files safe from hackers.

Receiving calls from an unknown number can be frustrating. Learn how to find out who is calling you from an unknown number here.