Oracle’s Java Runtime Environment (JRE) for 64-bit Windows PCs contains the Java Virtual Machine, software libraries, components, and plug-ins that tons of programs, media, and Web sites need to display advanced multimedia content and animation. Version 7 Update 55 of Java’s Standard Edition addresses 37 security vulnerabilities while reducing the frequency of security notifications in certain installations.
Answers the 64-bit question: Running 32-bit Java on 64-bit Windows involves compromises, such as Update issues. This version of Java is designed specifically for 64-bit Windows.
Plug-ins: The Java plug-in is critical to many Web applications, while Java Web Start deploys standalone apps over networks.