If you want to download Java 64-bit or 32-bit on your Windows 11 or Windows 10 computer then follow the method mentioned here.

Before downloading and installing Java JDK on Windows 10, ensure that your system requirements are as mentioned below so that it may run smoothly: Operating System: Windows 10 (64-bit) ...

Developers should download the JDK package (Java Development Kit) and non-developers should get the JRE (Java Runtime Environment) package. You don't need both.