It will show the JDK download page as shown in Fig 1.

Open the browser and search for Download JDK 15 or click the link to download from the Oracle website. You may also follow the How To Install OpenJDK 15 On Ubuntu to install the latest OpenJDK on Ubuntu and How To Install Java 15 On Ubuntu to install Oracle JDK. You may also install the popular IDEs to develop Java applications by following - How To Install Eclipse For Java On Windows, How To Install IntelliJ IDEA for Java on Windows, How To Install NetBeans On Windows, and How To Install VSCode For Java On Windows. You may also be interested in installing the LTS version of Java - How To Install Java 11 On Windows and How To Install Java 11 On Ubuntu. Java 15 is using the Commercial License and OpenJDK 15 is using the open-source GNU General Public License v2, with the Classpath Exception (GPLv2+CPE). You can also, follow How To Install OpenJDK 15 On Windows to install the open-source version of Java 15 i.e. We can use Java 15 free for general-purpose computing usage. It can be installed separately if required.

Notes: The official installer provided by Oracle does not include the bundled JRE with JDK since Java 11. The steps should be the same for other versions of the Windows operating system. It provides the steps required to install Oracle JDK 15 on Windows 10. This tutorial provides all the steps required to install the Oracle Java 15 officially distributed by Oracle for Windows.

Jdk download for windows 10