Professional software protection and licensing system for .NET framework (x86, AnyCpu, x64) and Windows 32bit and 64 bit applications.


Looking for secure, reliable, compatible, affordable, and easy to use software protection system? No need to search any further! With over 20 years of experience in the field of software protection, licensing and activation we are currently providing the most secure software copy protection and licensing solutions for your valuable software assets. More...

4 editions

PC Guard software protection system is available in 4 different versions: PC Guard for Win32, PC Guard for .NET, PC Guard for Win64 and PC Guard for .NET64. Not sure which version(s) are right for you? Find out now...


Almost any kind of Windows and .NET framework, standard and non-standard applications are supported. Protected applications will work on all 32-bit and 64-bit operating systems from Windows NT to Windows 10!


Customers in more than 100 countries are currently using our highly awarded software copy protection and activation tools: IBM, Sony, Google, HP, 3COM, NEC, BP, Agfa, Siemens, Alcatel, Fujitsu, Maxtor, NDS, Barclays, Tesco, Caterpillar, General Electric, Philips, Bosch, Genesis, DuPont, MWH, Holcim, PCTel, Cummins, Sagem, Pfeiffer, Honeywell, Tadiran Communications, TATA Motors, ARA Inc. and Konica Minolta are just some of them. More...


Easily implement almost any protection scenario: demo (number of days, period, number of runs, timer), demo extension, activation, permanent license, limited license (number of days, period, number of runs), license extension, license removal, license transfer, password protection, serial numbers, IP filtering, custom features, custom counters, custom dialogs, USB drive (Flash/HD) locking, network licensing. More...

Hassle free

PC Guard family products are offering easy and hassle free software copy protection for your applications. By default, no source code changes or programming experience is required to accomplish professional software copy protection. PC Guard can by used by anyone, from absolute beginners to professional software developers. However, experienced programmers can take the advantage of advanced features such as protection interface and run-time encryption system.

Royalty free

All PC Guard family products are royalty free! With only a single copy of PC Guard  you can protect unlimited number of your applications with no additional investments. No additional hardware (dongles) is required for proper execution of protected programs. There are no limitations related to number of different programs nor number of distributed programs. Our software protection system is based only on complex software copy protection techniques and hardware details.