The final step in a systematic review is to write and publish the review so the the results can be disseminated.
Systematic reviews are often published in peer-reviewed journals or by evidence-based research organisations such as Cochrane, Joanna Briggs Institute (JBI) etc. See Where to find Systematic Reviews tab for more.
As with disseminating any form of research, there are a number of considerations when publishing. See the following resources for more details: