General information
Category:
Coding, syntax & commands
Title:
Activation code algorithm
for the security or protection of my sofware, i would like to generate an activation code that will be use for the installation.
code that can have such format : XXXX-XXXX-XXXX-XXXX
this code must be used only one time.
1 - how can do that ?
2 - how can i make a demo version of software with Vfp ?
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