: The software may need to "phone home" briefly to verify the license during the initial registration.

Click the "Register" button. You will be prompted to enter your Email Address and the 32-digit registration key provided in your purchase confirmation email.

Utilizes standard 256-bit Blowfish and AES encryption to restrict unauthorized file manipulation.

While anyone can download the basic lockdir.exe file to scramble or hide a folder, the pro version—activated by a valid registration key—provides essential "safety nets" and advanced tech:

If purchasing a premium license for Kakasoft Lockdir is not an option, you do not need to rely on risky software cracks. Several free, open-source, and built-in tools can secure your files safely. 1. Windows BitLocker (Built-in)