Install 64-bit Java on Windows by downloading and running the Windows Offline (64-bit) installer from Java.com. The 64-bit version of Java is required to run Java applets on 64-bit browsers or to run Java executables on 64-bit Windows computers.Continue Reading
Open a Web browser, and go to Java.com. Click the Download link beside Help at the head of the page. This opens the Java download page.
At the bottom of the download page is a link labeled "See all Java downloads." Click it to reveal a list of manual download options for Java. Click on the link labeled "Windows Offline (64-bit)" to begin the download.
Once the download is complete, close any windows you might have open to avoid any conflicts that might arise during the installation process.
Run the downloaded file to begin installing the 64-bit version of Java for Windows. The installer guides you through a series of steps. Follow the instructions to complete the setup process.
Immediately after the installation completes, the installer launches a browser window to test if the installation was successful. Click on Agree and Continue to begin the verification process. The Web page congratulates you if Java 64-bit was installed successfully.