Download of Lion UX Pack 1.0 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This free tool was originally created by Windows X's Live. This free PC software is developed for Windows 7/8 environment, 32-bit version. We recommend checking the downloaded files with any free antivirus. The most popular version of the Lion UX Pack is 1.0. The software relates to Development Tools.
From the developer:
Lion UX Pack will give you OS X Lion UI improvements such as theme, wallpapers and logon screen without touching system files at all so it won't have such risk to harm your system at all. In this package, you'll have OS X Lion themes and applications to make your system resembles OS X Lion as much as possible without modifying system files.
You may want to check out more software, such as Yosemite UX Pack, Windows 8 UX Pack or Windows 8 Transformation Pack, which might be related to Lion UX Pack.