It contains new features and enhancements in many functional areas. The recommendation is install JDK 64-bit if your Windows is 64-bit operating system installed. Download Java 18 - The Java Platform, Standard Edition 18 Development Kit (JDK 18) is a feature release of the Java SE platform. NOTE: If your system is of Windows 32-bit operating system then you should install JDK 32 bit and if your system is of Windows 64 bit operating system then you have a choice either you can install JDK 64 bit or JDK 32-bit in your system. Here we are going to download 64-bit JDK 1.8 and install it on the Windows 10 64-bit Operating System. Step-3: Setup System Environment Variables.Step-2: Install JDK-8u311 on Windows 10.The JDK is a development environment for building applications using the Java programming language. Step-1: Download JDK 8 for Windows 10 64-bit Java SE 18 Archive Downloads Go to the Oracle Java Archive page.How to Download JDK 8 and Install it on Windows 10?.