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3. To install the Sun JDK, follow these instructions:
- Go to the Java Sun download page.
- Download the JDK version 1.6 or 1.7. will work with either one.
- When the download has finished, run the Java installer. At one point, you will be asked to choose a directory to install to. Copy or write this directory down for use later.
- Check that the JAVA_HOME environment variable has been set correctly.
- Open the 'Start' menu, choose 'Run', type cmd in the 'Run' dialog box and click the 'OK' button.
- In the command prompt window, type echo %JAVA_HOME% and then press Enter.
- View the result:
- If a directory path is display that looks similar to one of the following examples, with the letters 'jdk' immediately preceding a series of version numbers, and this path matches the location where you installed the Sun JDK in step 3c, then your Sun JDK has been successfully installed and your JAVA_HOME environment variable has been set correctly. ''Examples of typical JAVA_HOME environment variable values'':
- C:\Program Files\Java\jdk1.6.0_17
- C:\Progra~1\Java\jdk1.6.0_17
- C:\Java\jdk1.6.0_17
- C:\jdk1.6.0_17
- If nothing is displayed or you do not see 'jdk' immediately followed by a series of version numbers (like one of the examples above), then you need to set the JAVA_HOME environment variable. Please follow these instructions to set your JAVA_HOME environment to the directory you where you have just installed the JDK. By default, this directory is under C:\Program Files\Java for a 32 bit Windows System. You will find it under c:\Program Files (x64) on a 64 bit Windows system.
4. To install the Sun JRE, follow these instructions:
- Go to the Java Sun download page.
- Download the JRE version 1.6 or 1.7. will work with either one.
- When the download has finished, run the Java installer. At one point, you will be asked to choose a directory to install to. Copy or write this directory down for use later.
- Check that the JRE_HOME environment variable has been set correctly.
- Open the 'Start' menu, choose 'Run', type cmd in the 'Run' dialog box and click the 'OK' button.
- In the command prompt window, type echo %JRE_HOME% and then press Enter.
- View the result:
- If a directory path is display that looks similar to one of the following examples, with the letters 'jre' immediately preceding a
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- version
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- number, and this path matches the location where you installed the Sun JRE in step
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- 4c, then your Sun
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- JRE has been successfully installed and your
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- JRE_HOME environment variable has been set correctly. ''Examples of typical
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- JRE_HOME environment variable values'':
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- c:\Program Files(x86)\Java\
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- jre6
- c:\Program Files(x64)\Java\jre7
- If nothing is displayed or you do not see '
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- jre' immediately followed by a
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- version
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- number (like one of the examples above), then you need to set the
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- JRE_HOME environment variable. Please follow these instructions to set your
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- JRE_
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- HOME environment to the directory you where you have just installed the
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- JRE. By default, this directory is under C:\Program Files\Java for a 32 bit Windows System. You will find it under c:\Program Files (x64) on a 64 bit Windows system.
Locate the JDK or JRE Installation Directory
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- Unless you changed the installation path for the Java Development Kit or the Java Runtime Environment during installation, it will be in a directory under C:\Program Files\Java for a 32 bit architecture and under c:\Program Files (x64) for a 64 bit Windows system. Using Explorer, open the directory C:\Program Files or Program Files (x64) \Java.
- Inside that path will be one or more subdirectories such as jdk1.5.0_08. If you have just installed the Java Development Kit, it will be installed to the newest directory, which you can find by sorting by date. For example, it may be installed in C:\Program Files\Java\jdk1.5.0_08. This is the installation path.
- An example of an installation path for the JRE on a 64 bit windows system would be c:\Program Files(x64)\java\jre6
Set the JAVA_HOME Environment Variable
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