For All versions of Windows 95, 98 Millennium. QikFix is the Swiss Army knife of utilities. Comprised of 10 different tools: -a file shredder, for permanently removing all traces of a file from your hard drive - a memory diagnostic utility, for not only to get the most from your RAM, but also locate memory hogs and set Swap File size to the optimum - A folder comparison utility, that allows you to compare file dates and times of one folder to another. Delete or copy files from one folder to the next - a wizard to close all programs, closes all programs with the click of a button, For installing new software (everyone has asked for this) - a file verifier, shows you which files may not be correct for your system and may be causing errors. - an expand/compress files wizard, allows you to install a compressed file without having to reinstall a entire program. - a system optimization wizard, quickly optimizes your computer to obtain the best performance available. - a Cache utility - a preference utility to enhances the way Windows uses memory. - and a rapid system information screen. Show you all the need information about your system, hard drive, resources, memory and more in just 1 second. -Set preferences, It even has a utility that allows you to control who can access programs and function on your computer.