Downloading KLS for PE Builder 3.0 from the developer's website was possible when we last checked. We cannot confirm if there is a free download of this software available. KLS for PE Builder lies within System Utilities, more precisely System Optimization. The most popular version among KLS for PE Builder users is 3.0. The KLS for PE Builder installer is commonly called kls.exe. We recommend checking the downloaded files with any free antivirus. The actual developer of the free program is Colin Finck.
From the developer:
With KLS (Keyboard Layout Selector) for PE Builder, you can add additional keyboard layouts to a PE system created by PE Builder or WinBuilder. It allow you to create a plug-in for PE Builder or a script file for WinBuilder. This program works on Windows platform and supports 104 keyboard layouts.
You may want to check out more software, such as KLS Backup 2009, KLS Backup 2007 Professional or KLS Backup, which might be similar to KLS for PE Builder.