You could have downloaded S7Protect 2.4.06 from our software library for free. S7Protect belongs to Development Tools. The program's installer is commonly called S7Protect.exe. S7Protect works fine with 32-bit versions of Windows XP/7/10/11. The actual developer of the software is PLCTools. The most popular version among the program users is 2.4.
From the developer:
S7Protect allows you to set or remove the KNOW_HOW_PROTECT-flag of your STEP7 programs without the blocks sources.
Key Features:
- Set or remove know-how protection for OB, FC, FB, DB, UDT blocks
- It works simultaneously with Simatic Manager
- Grab the list of projects opened in Simatic Manager
- It allow to take a snapshot of protected blocks for later comparison and easily protections restore
You may want to check out more software, such as HireTrack Eclipse, Bowlfish or IncUpdate, which might be related to S7Protect.