User Guide OPERA Cloud Connectivity Agent JDK Upgrade and Keystore Migration Download JDK17 for Microsoft Windows Download JDK17 for Microsoft Windows Go to JDK Development Kit 17.0.9 downloads. Select JDK17 and Windows tabs. Click the x64 Installer link to download the jdk-17_windows-x64_bin.exe. Parent topic: JDK Upgrade and Keystore Migration