I don't know why but the newer versions of Blender don't run on my PC(I have an AMD radeon graphics - 1GB), but the newer versions of cycles have seemed to improve a lot, like giving a pre-made materials to smokes. So, I wanted to try this, since blender doesn't run I wanted to know if I could download cycles as an addon?
Plus, if there are any suggestions regarding how can I get newer versions of blender to run in my PC, please mention them as well, because I'm so confused as it meets all the requirements that Blender's site mention I should to run the newer versions in my PC. My machine has an i5-4200U CPU @ 1.60GHz, RAM is 4.00GB and is a 64-bit operating system with an AMD RADEON 1GB graphics card.
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Plus I'm using windows 7(ultimate).