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I installed 2.0.6 from my hosting provider. I then uploaded the core 2.0.7 files. (You can find it in the download section)
make sure to upload the contents of each directory into the same directory on the server. After upload, go to the url of your site, and the install process will be initiated. It even checks to make sure you have the correct permissinos set on all your folders. It was pretty easy for me and Im a real novice user, and have next to none programing expertise. If I could do it, anyone can.