Something that still causes a lot of trouble on many Windows 7 x64 machines is Java. Java is needed for all those cool web 2.0 applications and for games like Minecraft, but it’s also a resource hog and is often causing a very high CPU load, therefore many people deactive it completely. Nonetheless, it’s an important download.
The latest version of Java is 7u51. An important security update has been released in October 2013, so you should make sure that you run at least 7u45 in any case. It is very urgent that you download and install the update – it fixes various security exploits and includes over 100 fixes combined. The update also addresses RIA (rich internet applications. You now have to confirm whenever a site makes a connection to a 3rd-party RIA. The warning looks like this
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Download Windows 7 64-bit
Below are the two most recent updates, u51 and u45. You can use a MD5 checksum tool to verify its integrity:
- Java JRE 7u51 x64 (MD5: b0f3a9c0f4c2c66127223ba3644b54f6)
- Java JRE 7u51 x32 (MD5: 1af9e2aa8264b023404a76d3fb6751fe)
FAQ: What Java Version Do I Need?
Can I install multiple versions of Java on my system?
Answer: Yes, you can install Java 32-bit and Java 64-bit on your system
Can I install older versions of Java?
Answer: Yes, you can download two 64-bit Java versions belows. One is the 6u24 (latest) and an older version 6u18.
What is the difference between JDK and JRE?
Answer: JDK stands for Java Development Kit and JRE stands for Java Runtime Environment. If you are not a developer, you need the JRE.
How can I check what Java is installed on my PC?
There’s a very easy way to do that and you can also find out weather you are already running Java 64-bit or not.
Go to the website: Java Check Website
What is Java 64-bit needed for?
Answer: For a 64-bit browser.
Yes, you can run Java 32-bit on your x64 Windows 7 system, but if you download and install Java 64-bit, you can also run any 64-bit browser. Firefox for example offers a 64-bit browser for Windows 7 x64. By default, Windows 7 includes a x32 and x64 edition of the Internet Explorer 8.
IE9 64-bit location:
- IE9 32-bit: C:/Program Files (x86)/Internet Explorer/
- IE9 64-bit: C:/Program Files/Internet Explorer/
Firefox 64-bit download:
JDK: Required For Some Java Apps (Rare)
The JDK includes a 64-bit plugin for Windows. The JRE does not include this plugin, so you will have to download this large file in some cases (VERY rarely). You can download it here:
Windows x64 self-extracting JDK file
Java Windows 7 64bit JDK, 120 MB
MD5 (jdk-7u45-windows-x64.exe) = 81BF3218A2EEC7963B979187FB4109F30
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