If you specifically want to test the experimental VLC 4.0 features, you can find the official "Nightly" builds on the VideoLAN website , but be aware these may be unstable.

Steal your personal data, passwords, or financial information.

As of now, VLC 4.0 is still in development (beta/nightly builds). Official stable releases are usually in the 3.x range. Any site claiming to have a "final" or "cracked" version of 4.0 with a keygen is highly suspicious. Risks of "Cracked" Software

VLC Media Player is a free, open-source software, and you should never need a "crack," "keygen," or "license key" to use it. Searching for versions labeled as "cracked" or "free download with key" often leads to malicious websites that distribute malware, spyware, or ransomware instead of the actual software. The Truth About VLC Media Player