The version you're interested in, 2.5.0, seems to be a retail version of the software. This implies it's a commercial product intended for sale through retail channels. However, you're looking for a free version.
Kon-Boot is a software tool designed to reset or remove passwords for Windows operating systems. It's often used for troubleshooting and recovery purposes. Kon-Boot can help users regain access to their Windows installation when they've forgotten their password or when the password has been lost or corrupted.
You're looking for information on Kon-Boot For Windows 2.5.0 Retail, specifically a free version. Here's what I found:
