If you try to run the 16-bit app in a 64-bit Windows operating system, you will get the unsupported 16-bit application error on your 64-bit Windows 11 or on some Windows 10 versions.

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.

Not sure if your installed version of Windows is 32-bit or 64-bit? One quick way to tell is by looking at information about your operating system installation in Control Panel.

More and more frequently, users are installing the 64-bit version of their operating system of choice over the less capable 32-bit version.