1. Gathering Supplies: Collecting all necessary sterile equipment and verifying their sterility. 2. Setting Up the Sterile Field: Using sterile drapes and arranging instruments in a manner that maintains their sterility. 3. Performing Hand Hygiene: Thoroughly washing hands or applying an alcohol-based hand sanitizer. 4. Gowning and Gloving: Wearing a sterile gown and gloves without contaminating them.