Here are the current minimum requirements in order to run Zwift:
Like most video games, Zwift primarily runs off your computer's graphics card or chipset. Even if your CPU and memory are far above our minimum requirements, you may still be unable to load Zwift if your GPU is below our minimum spec.
Not sure where your GPU stands? You can see a ranking of GPUs on http://www.videocardbenchmark.net/ and compare our examples of minimum requirement models against your own.
For a full list of minimum, recommended, and extreme specs, check out the Supported Platforms section of our website.