GIGATweaker is a free, portable, powerful and compact tool that allows you to optimize and tweak your Windows Vista or Windows 7. GIGATweaker is one of the best and fastest programs that combine the highest comfort, compactness and power. GIGATweaker is lightweight tool with built-in Startup Manager and UnInstall Manager. All changes made by GIGATweaker in the system are transparent through informative console.

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