If possible, avoid installing Java 6. Instead, try these options:
System Stability: While it can run on Windows 10, it was never designed for it. Better Alternatives
Verify the installation by typing java -version in the Command Prompt. Important Security Warnings Running Java 6 on Windows 10 poses significant risks: download java 6 64-bit windows 10
Unpatched Vulnerabilities: Java 6 has not received public security updates since 2013.
Accept the license agreement and log in to begin the download. How to Install Java 6 on Windows 10 If possible, avoid installing Java 6
Old web-based applets that fail to launch in modern browsers. Where to Download Java 6 64-Bit for Windows 10
Find the Windows x64 installer (e.g., jdk-6u45-windows-x64.exe ). Important Security Warnings Running Java 6 on Windows
Once you have the .exe file, follow these steps to ensure it works correctly on a modern OS: Right-click the installer and select Run as Administrator. Follow the prompts to install both the JDK and the JRE. Set your Environment Variables: Open Start and search for "Environment Variables." Under System Variables, find Path and click Edit.