Foren / Cotonti / Support / seditio to cotonti conversion

http://www.cotonti.com/docs/en/videos/upgradevideos/

- Backup
- Replace all files with the latest release
- Do all sql updates starting with 125n-001 up-till 0.6.3-0.6.9

You need to check all your plugins if they still work or not. Some plugins are not needed anymore, their functionalities are in the core.

So best it to do a on a test site. Make a backup and restore it on a test-server, or subdir.
Try to upgrade and fix the errors in the plugins.
Then move this to the real site.