An average user can do this, for sure. But, yea, some sort of instruction is necessary, as it is not something that the platform itself offers by default.
For example: the user needs to be aware of this possibility to begin with and also need to know which plugin to install, even it isn't difficult to work with.
In addition, as the site will no longer be dynamic, some adjustments must be made, such as disabling comments - or adding an alternative like Disqus.
