In fact, this is the prime benefit of joining the PMI. Please note that opening an account at PMI. I am writing this blog post because many aspirants have thought that after opening an account with the site they could download the PMBOK Guide for free. So, they opened an account, tried to download the PMBOK Guide, and when they failed, they contacted me about the issue. They were thinking that signing up for the site is the same as signing up for the PMI membership.