OpenVPN comes in two primary forms, each with different costs:

A "cracked" VPN client may be modified to log your traffic or leak your data, defeating the entire purpose of using a VPN for security.

While the title suggests a "cracked" version of OpenVPN, it is important to clarify that and largely free to use. Searching for "cracks" or "activation keys" for this software is generally unnecessary and can be highly risky. The Reality of OpenVPN Licensing

OpenVPN-3-6-3-Crack-With--100--Working--Activation-Key--2023-