How to install xdb component in Oracle?

Could you please guide me through the process of installing the xdb component in Oracle? I'm having trouble understanding the steps involved and would appreciate a detailed walkthrough. What are the prerequisites for installing xdb, and what are the potential challenges I might face during the installation process? Also, is there a specific version of Oracle that is recommended for installing xdb, or does it work with all versions? Thank you in advance for your help.