You can use that guide, but the one most users tend to follow is the one in the FAQ Forum here on the forums (this is a user to user forum; none of us have access or can edit the site), the thread you're looking for in that forum is Proper Upgrade Route - Within UBB.Threads 7.x .

I am a Web Development Contractor, I do not work for UBBCentral. I have provided free User to User Support since the beginning of these support forums.
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UBB.threads: UBBWiki, UBB Styles, UBB.Sitemaps
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