Here are three ways to speed up a sluggish computer.

1.       Scan your computer for viruses

If your computer is slow or restarts often, it could be infected with a virus or other malicious software.

If you have Windows 8, you can use the built-in Windows Defender to help you get rid of a virus or other malware. If you have Windows 7, Windows Vista, or Windows XP, scan your computer with the Microsoft Safety Scanner. Or get help at the Virus and Security Solution Center.

For more information, see How to avoid and remove computer viruses.

2.       Turn on automatic updating

One of the easiest things you can do to speed up your PC is to make sure that your operating system and software are kept up to date. Learn how to get security updates automatically.

Is your computer sluggish, or is it just your web browser? The newest version of Internet Explorer is Internet Explorer 10. It’s included with Windows 8, and you can download it for free for other versions of Windows. Learn more about security in Internet Explorer 10.

 

3.       Upgrade your operating system

If you’re still using Windows XP, you could speed up your PC by upgrading to Windows 8 or Windows 7.

Support for Windows XP ends on April 8, 2014. You can get solutions to your Windows XP security issues now, but not for too much longer. If you’re still using Windows XP, you’re missing out on all kinds of security, productivity, and performance enhancements available in Windows 7 and Windows 8.

Find out what end of support for Windows XP means to you.

If your computer is still slow, you can try limiting how many programs run at start up, deleting software and files you don’t need, or following these additional tips to speed up your PC.