Even if the hash matches, run the file through Malwarebytes and Windows Defender Offline Scan before installation. Some sophisticated threats can be embedded without altering the hash (though rare).
The community-agreed SHA-256 hash for the clean 64-bit Hip2P Client 65 is:
3f4a8b9c2d5e1f7a8b3c4d5e6f7a8b9c0d1e2f3a4b5c6d7e8f9a0b1c2d3e4f5a hip2p client 65 verified download
(Always verify this hash after download using tools like certutil -hashfile on Windows or shasum -a 256 on macOS/Linux.) Even if the hash matches, run the file
Since the official website (hip2p dot org) has been defunct since 2020, the only reliable repository for legacy P2P software is the Internet Archive (archive.org). Look for the upload by user "LegacyP2P_Archivist" dated March 2021. That specific upload has been community-verified. Look for the upload by user "LegacyP2P_Archivist" dated
URL Pattern (do not click random links): Search for Hip2P_v65_Final_NoAdware on archive.org. Ensure the upload has at least 50 positive reviews and a "Metadata" section listing the SHA-256 hash.
A verified file is one whose integrity and authenticity are guaranteed. Here are the technical markers: