Litestep Omar Installer
The customization of the operating system is a process that can be limited to the appearance of the desktop, including the background, screensaver and color scheme, as well as the displayed icons. However, more complex tweaking can help users change a lot more and even make some modifications under the hood to obtain superior performance greater ease of use in Windows. Among the many transformation packs and OS tweaking utilities you will find Litestep OTS1/2 Installer, a shell replacement that will completely modify pretty much everything onto your system to give it a whole new look and implement new functionality.
With Litestep OTS1/2 Installer onto your PC there will be no loss in terms of features, you will have only to gain by getting new commands, an improved layout of the controls. Simplicity is key, at least this is the message that exudes from the looks of the new shell. Switching back to the Explorer shell can be done easily, thanks to the desktop shortcut added upon installing the new package. Reverting to the original shell only requires a system reboot to make the changes come into effect. Litestep OTS1/2 Installer brings a different style of taskbar and three virtual desktops which you can cycle through by right-clicking their tiles.
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Also present in the taskbar, the default browser, text editor and file manager are represented with different icons than those of their application executables. Looking beyond the outer skin, the internal modifications consist mainly of a new style of Start Menu, specific to LiteStep, with sub-menus that offer quick access to the installed programs, system and power commands and more. 
All things considered, Litestep OTS1/2 Installer provides a really simple method of changing Windows on the outside as well as on the inside and it can be easily changed back to the default shell if necessary.
For those of you picking up LiteStep for the first time you have yet to experience. 32-bit / NT 4.0 / 9x / 2000; License: Freeware (free); Developer: Omar Hussain.