Microsoft is expected to start rolling out the Windows 10 Fall Creators Update as a free update on October 17, and like with every release, there are a lot of new features, improvements, and things that have changed.
While the upgrade should be a smooth process, building an OS that runs on many hardware configurations is not easy, and sometimes (at least initially) you may come across bugs, errors, and a number of other problems.
However, you can avoid many of these issues by jumping to the new version if you have the right information and you know exactly what to do.