If you want to enjoy games like Minecraft you need Java. In some cases on Windows 8 x64 you have to download Java 64-bit. Here’s where you can get it and what version you need.
Various programs require different versions of Java. Some support only Java 32-bit, some support 64-bit and some support both.
Is is possible to download and install more than one version? Yes you can install multiple Java versions on Windows 8, e.g. version 6u18, 6u24, 6u30 and even 32-bit and 64-bit.
You can run into problems if you download and install multiple versions at time, but mostly it should work flawlessly.
Download Java for Windows 8 64-bit
You only need the 64-bit version for specific programs, usually you can install Java JRE 32-bit on a 64-bit Operating system and it will work just fine!
Here are the download links for Java JRE for 64-bit systems:
In some situations you might need the JDK instead of the JRE:
The JDK is a lot larger than the JRE, but the JRE should usually be enough for most applications.
Why Do I Need To Install Java 64-bit?
If you want to run a 64-bit browser on Windows 8, you definitely need it. Windows 8 comes with a built-in 64-bit browser that you can find here:
IE10 C:\Program Files\Internet Explorer\iexplore
Internet Explorer 10 is a great browser, give it a try