For your safety, you should only download iTunes from official and verified sources:
iTunes 12.10.11 for Windows (Windows 64 bit) - Apple Support (EG)
The text you provided refers to a "cracked" or pirated version of iTunes, which often contains malware or security risks. iTunes is a provided by Apple, so there is no need for a "keygen" or "crack" to access its full features.
Official installers for various versions, including iTunes 12.10.11 for Windows 64-bit , are available for older operating systems like Windows 7 and 8.
Using unofficial "Full Version Download" sites like the one in your text can compromise your personal data. If you have already downloaded or run a file from that source, it is highly recommended to run a full system scan with reputable antivirus software.
You can visit the iTunes download page to get the latest compatible version for your computer.