(And, of course, you can feel free to install to a drive other than C:, if you have more than one.) I suggest changing it to the following folder instead: When asked what folder you should install the JDK into, the default will be: However, after running the installation program, you still won't be able to execute javac or java, without making a couple of modifications "under the hood" of your system. The JDK includes an installation program, which places all of the files into the appropriate places and sets up some shortcuts for you. It's best to download the JDK and not the JRE - the difference is that the JDK includes a Java compiler ( javac) and a variety of other tools for building and packaging-up Java programs, while the JRE (the Java Runtime Environment) includes only the necessary tools to allow you to run Java programs. A great option is to download the Java SE 7u3 JDK from Oracle's Java SE Downloads page. What you'll need to get started is a Java compiler and Java virtual machine, both of which must support Java 7.
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