How To Install Java JDK 1.8 On Windows

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Here’s a concise step-by-step guide for installing Java JDK 1.8 on Windows:

1. Download JDK 1.8 Installer

  • Visit Oracle’s website: Navigate to the Java SE 8 Downloads page.
  • Accept License Agreement: Check the “Accept License Agreement” box.
  • Download Windows installer: Select the appropriate version (e.g., jdk-8uXXX-windows-x64.exe for 64-bit systems).
    Note: An Oracle account may be required to download older versions like JDK 1.869.

2. Run the Installer

  • Double-click the downloaded .exe (e.g., jdk-8uXXX-windows-x64.exe).
  • Follow the setup wizard:
    • Click Next on the welcome screen.
    • Customize installation path (optional): Use the Change button to set a custom directory (e.g., C:\Java\jdk1.8.0_XXX)69.
    • Complete the installation and close the wizard.

3. Set Environment Variables

JAVA_HOME Variable

  1. Open System Properties → Advanced → Environment Variables.
  2. Under System variables, click New.
    • Variable name: JAVA_HOME
    • Variable value: Installation path (e.g., C:\Program Files\Java\jdk1.8.0_XXX)59.

Update PATH Variable

  1. In System variables, select Path → Edit.
  2. Click New and add:
    %JAVA_HOME%\bin
    (This allows Java commands to run globally)57.

4. Verify Installation

  • Open Command Prompt and run: bashjava -version javac -version
    • Expected output:
      java version "1.8.0_XXX"
      javac 1.8.0_XXX5710.

Troubleshooting

  • “Java not recognized”: Recheck PATH and JAVA_HOME values7.
  • Installation conflicts: Uninstall older Java versions via Control Panel before installing JDK 1.810.
  • Silent installation: For enterprise setups, use the MSI installer with msiexec.exe /i jdk-8uXXX.msi /qn19.

Optional: Install JRE

The JDK installer typically includes a JRE. If missing, download it separately from Oracle’s site9.

Citations:

  1. https://docs.oracle.com/en/java/javase/18/install/installation-jdk-microsoft-windows-platforms.html
  2. https://www.java.com/en/download/help/windows_manual_download.html
  3. https://docs.oracle.com/javase/8/docs/technotes/guides/install/install_overview.html
  4. https://phoenixnap.com/kb/install-java-windows
  5. https://www.geeksforgeeks.org/download-and-install-java-development-kit-jdk-on-windows-mac-and-linux/
  6. https://www.youtube.com/watch?v=Xv1n3L3i59I
  7. https://www.youtube.com/watch?v=Qtua8t20dA4
  8. https://www.theserverside.com/blog/Coffee-Talk-Java-News-Stories-and-Opinions/How-do-I-install-Java-on-Windows
  9. https://www.codingpointer.com/blogs/install-java-windows
  10. https://www.linkedin.com/pulse/how-install-java-windows-1011-step-by-step-guide-abdullah-bin-amin-ngbhf

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