To download the Java Software Development Kit (SDK), you need to visit the official Oracle website and follow the instructions provided.

Here’s a general step-by-step guide:

1. Visit Oracle’s official website: https://www.oracle.com/java/technologies/javase-jdk11-downloads.html

2. Scroll down to the “Java SE Development Kit” section.

3. Find the version of Java that you want to download. As of my knowledge cutoff in September 2021, the most recent long-term support (LTS) version was Java 11. However, Java 17 is scheduled to be the next LTS version and should be available by your current date in 2023.

4. Click on the download link for your operating system (Windows, macOS, Linux, etc.).

5. Before the download starts, you may need to accept the Oracle Technology Network License Agreement for Oracle Java SE.

6. Once downloaded, you can install the SDK by running the installer and following the instructions.