PC Guard Copy Protection System

Professional software copy protection, anti piracy, anti reverse engineering and licensing system for .NET framework, Windows .NET Core (x86/x64), Windows .NET and native Windows 32bit and 64bit applications.

PC Guard Software Protection System


Looking for secure, reliable, compatible, affordable and easy to use software copy protection and licensing system? No need to search any further. With over 25 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.

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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 device (Flash / HD / NIC MAC) locking, network licensing.

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Trusted for over 25 years! Over 3000 clients from 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, Boeing, Rolls-Royce, Kodak, Honeywell, Tadiran Communications, TATA Motors, ARA Inc. and Konica Minolta are just some of them.

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Royalty free

All PC Guard editions are royalty free. Protect unlimited number of your applications with single PC Guard license. There are also no limitations related to number of different applications, number of distributed applications or to number of activations. No additional hardware (dongles) is required for proper execution of protected applications.

Hassle free

PC Guard is out-of-the-box solution. 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.

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Protect applications from reverse engineering and analyzing.


Copy protection

Protect software from illegal distribution from one computer to another.


Password protection

Protect access to applications with password string.


Trial mode

Enable trial (demo) mode with execution, date, fixed date and timer limits.


Serial numbers

Mark and track each copy of protected software with unique serial number.


USB locking

Lock software to USB storage device or USB network adapter.


Machine locking

Lock software to target computer with flexible locking policy.


Folder lock

Lock application to its installation directory.


Easy to use

Out-of-the-box, ready to use, software copy protection solution.


Secure distribution

Securely distribute software over the Internet or on any distribution media.


Royalty free

Protect and distribute unlimited number of your applications.


User control

Control type of Windows users allowed to access protected application.


Limit instances

Limit number of protected application instances per computer.


License removal

Allow your clients to securely remove licenses from their computers.


License transfer

Allow your client to transfer their licenses from one computer to another.


License extension

Easily update issued license parameters by using license extension feature.


Languages editor

Easily manage user interface messages for applications with languages editor.


Custom dialogs

Use your own dialogs instead of default interface dialogs.


Custom features

Easily enable or disable different features for protected application.


Custom counters

Securely manage (change/save) custom values directly from your application.


IP filtering

Limit access to computers with specific IP addresses or sub-domains.


Runtime encryption

RTE encrypted code code will always stay encrypted in memory.


Network licensing

Control number of workstations accessing protected application.


Updates policy

Control access to application updates with updates policy.


VM detection

Prevent usage of application on virtual machines.


Remote access

Disable remote access to protected application.


Node.js apps

Special support for Node.js nexe and pkg created applications.


Python apps

Special support for Python Pyinstaller and Nuitka created applications.



PC Guard for Win32
  • Professional software copy protection and licensing system for
  • Windows 32bit
  • applications (exe, dll, ocx...)
More info


PC Guard for .NET
  • Professional software copy protection and licensing system for
  • .NET & Windows 32bit
  • applications (exe, dll, ocx...)
More info


PC Guard for Win64
  • Professional software copy protection and licensing system for
  • Windows 64bit
  • applications (exe, dll, ocx...)
More info


PC Guard for .NET64
  • Professional software copy protection and licensing system for
  • x64 .NET & Windows 64bit
  • applications (exe, dll, ocx...)
More info