A lot of questions on the main site are fixed by updating the distribution. At present, I don't think we have a comprehensive guide to updating the various distributions- the answers are spread about over the site, and hinted at in
https://tex.stackexchange.com/faq
So, what does the community think about having a question titled (something like), 'How do I update my distribution?', which could be linked in future answers. Perhaps we could have an answer for each of the main Operating Systems, with screenshots to help?
