You cannot find this on third-party torrent sites. You must have a valid Oracle Support (CSI) account.
This is where most users fail to get the "best" version. When you search, you will likely see multiple files. For version 12.2.1.0.0, you must distinguish between the standalone installer and the suite installer. download oracle bi publisher 122140 best
The Alternative (OBIEE Suite): If you plan to use BIP as part of the full OBIEE stack, you would look for "Oracle Business Intelligence Enterprise Edition 12.2.1.0.0". You cannot find this on third-party torrent sites
Inside, you should find: