Paragon HFS+ for Windows
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Full user review
"Works on my Windows PC"
Was able to use it to retrieve files off of an external hard drive formatted to HFS+, as well as delete files on that external hard drive.
None so far.
Haven't tried this on my late 2011 MBP yet. I use Parallels Desktop 7, so haven't had much of a need for it on the MBP.