You can obtain the necessary files directly from Salesforce or via the developer documentation: Using the Ant Migration Tool - Salesforce Developers
The Salesforce is a Java-based command-line utility used to move metadata between a local directory and a Salesforce organization. While Salesforce officially retired the tool in Spring ’24 in favor of the Salesforce CLI , it remains functional for legacy scripts and automated deployment patterns. How to Download the Ant Migration Tool ant download salesforce