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#181
Rob, safe way to do it is image your system to a new hard drive and try the conversion on it. If it succeeds you could image that drive to your current drive. That way if something goes wrong in the process, you still have your current install.
Another option is to do a clean install on a second hard drive. After the install you can continue your projects on your current one, while installing your programs on the clean install. When the clean install is finished, make the switch then. You can take your time on the new install that way.