One of the thing you need to keep in mind when downloading software for your computer is that there are usually both 32-bit and 64-bit versions available. In the file name of different versions you’ll generally see either x86 or x64, this can help you differentiate between which installer is what bit.
If you are unsure whether you are running the 32-bit or 64-bit version of Windows, we've got a groovy guide that will show you how to figure out it.
This is In:
x86 in the file name means 32-bit
x64 in the file name means 64-bit