Here are a few ways you can improve the performance of your Windows 7 system. 1. Upgrade or change your anti-virus software. 2. Don't run more than one kind of anti-virus software. 3. Check the Startup tab in System Configuration and uncheck startup items you don't want to load when your Windows 7 computer starts up. 4. Uninstall applications you don't want on your system. 5. Keep your system updated by automatically running Microsoft Update.
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8 Tips to Boost Windows 7 PC Performance | Business 2 Community