How to update org-mode in Emacs to version 9?

Question

emacs

Unable to update Org in Emacs. I M-x package-install RET org RETdo something like downloaded. I reload Emacs and it org-versiongives 8.2.10 again :(

Answer 1

Everything, I found it.
Here is how to update
orgmode.org/worg/org-faq.html#updating-org
And here is the problem when org is installed from two places, for example from the ELPA package repository and from git in the emacs assembly itself
orgmode.org/worg/ org-faq.html#mixed-install