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.

"While 64-bit Java software is not yet offered on HP-UX or Sun Solaris, we will be offering a free download of our AIX developer kit, Java 2 Technology Edition, Version 1.3.0 for AIX 5L, in early ...

If you want to download and install Java JDK 18 on Windows 11/10 computer, you will also have to set up a Path in Environment Variable.