Java Runtime Environment 1.7 U4

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How to Install Java Runtime Environment 1.7 U4 on Your Computer

Java Runtime Environment (JRE) is a software package that allows you to run Java applications and applets on your computer. JRE is also known as Java Virtual Machine (JVM) or Java Plug-in. JRE 1.7 U4 is an update of JRE 1.7 that was released on April 18, 2023. It contains important security fixes and performance improvements for Java applications.

In this article, we will show you how to download and install JRE 1.7 U4 on your Windows, Mac OS X, Linux, or Solaris computer. We will also explain how to enable Java in your browser and how to check if JRE 1.7 U4 is installed correctly.

Downloading JRE 1.7 U4

The first step is to download JRE 1.7 U4 from the official Java website[^1^]. You can choose the version that matches your operating system and your browser type. For example, if you use Windows and a 64-bit browser, you should download Windows Offline (64-bit) file. The file size is about 62 MB.

If you use multiple browsers with different bitness, you will need to install both 32-bit and 64-bit JRE in order to have the Java plug-in for both browsers[^1^]. You can also download the online installer file, which will download the required files during installation.

For Mac OS X users, you need to have Mac OS X 10.7.3 or later and administrator privileges for installation[^2^]. The file size is about 87 MB.

For Linux users, you can choose between RPM and tar.gz files. The file size is about 96 MB for Linux and 93 MB for Linux x64.

For Solaris users, you can choose between SVR4 package and tar.gz files. The file size varies depending on the platform.

Installing JRE 1.7 U4

After downloading JRE 1.7 U4, you need to run the installer file and follow the instructions on the screen. The installation process may vary depending on your operating system and browser type.

For Windows users, you need to double-click the .exe file and click Yes when prompted by User Account Control. Then you need to accept the license agreement and click Install. The installation will take a few minutes and you may need to restart your browser in order to enable Java in your browser[^1^].

For Mac OS X users, you need to double-click the .dmg file and drag the Java icon to the Applications folder. Then you need to open System Preferences and click on Java. This will open the Java Control Panel where you can check for updates and configure Java settings[^2^]. You may also need to restart your browser in order to enable Java in your browser[^2^].

For Linux users, you need to open a terminal window and change the directory to where the .rpm or .tar.gz file is located. Then you need to run the following commands depending on the file type:

For .rpm file: sudo rpm -ivh jre-7u80-linux-i586.rpm or sudo rpm -ivh jre-7u80-linux-x64.rpm

For .tar.gz file: tar zxvf jre-7u80-linux-i586.tar.gz or tar zxvf jre-7u80-linux-x64.tar.gz

Then you need to update the PATH environment variable to include the JRE bin directory. For example, if you installed JRE in /usr/java/jre1.7.0_80, you need to add /usr/java/jre1.7.0_80/bin to your PATH variable[^3^]. You may also need to enable Java in your browser by following the instructions on this page[^3^].

For Solaris users, you need to open a terminal window and change the directory to where the . 061ffe29dd