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After the download has completed, verify that you have downloaded the full, uncorrupted software file.

If you save the self-installing executable file to disk without running it from the download page at the web site, note that its byte size provided on the download page. (The JDK also contains a private JRE for use only by its tools see Private Versus Public JRE for more information.) As part of the JDK, this installation includes an option to include the public Java Runtime Environment. In this procedure, you will run the self-installing executable file to unpack and install the JDK. Similarly, if you were downloading the JDK installer for 64-bit systems for update 1.7.0_01, the file name jdk-7-windows-圆4.exe would become jdk-7u1-windows-圆4.exe. If you have any difficulties, see the Troubleshooting section at the end of this document or submit a bug report for your installation problem.įor any text in this document that contains the following notation, you must substitute the appropriate update version number: įor example, if you were downloading the JDK installer for 32-bit systems for update 1.7.0_01, the file name: jdk-7-windows-i586.exe would become jdk-7u1-windows-i586.exe.

For more information about JRE installation, see JRE Installation for Microsoft Windows.

The JDK and JRE have a version string that enables you to determine the version number.See Windows System Requirements for JDK and JRE for minimum processor, disk space, and memory requirements.

See Oracle JRE 7 and JDK 7 Certified System Configurations for information about supported platforms, operating systems, and browsers.