I have already given instructions on how to make a simple, free website quickly using WordPress. That is the system I recommend as it satisfies simple, free, quick – and it is also very powerful. But there are a number of other free, simple, quick systems that you might like to try and play around with:
Some of these I have tried, some I have not – you may know of others. You may also have opinions about some on this list. Please add further suggestions, ideas, comments, reviews in the comments.