This shop is selling Windows 10 Pro for $110. All of their operating sysem prices and other software such as office are marked very cheap in comparision to most stores. I spoke to one of their reps online and they have informed me that none of the software is OEM and all comes with money back guarantee. Also they accept Paypal if there was an issue a refund should be no problems.
Here is the shop link.
*Modified title for accuracy*
*Original title: Legit Software?*