Good reviews are easy to fake. I can't tell you it's 100% scam, I bought my key off eBay and here we is 4 and a half years later, no blacklist, in fact have had to call Microsoft 3 or 4 times when rebuilding my system and reinstalling windows (retail key). If you're gonna do it, know going in that most likely the key is stolen or acquired through not the most legal of methods, or that the seller is selling pirated software. If you can find a seller who can guarantee that it's a legit key and has 10s of thousands of sales (the seller I bought from was a software store and had 22,000 feedback). Pay with Visa or Mastercard through Paypal. eBay will protect you to an extent, Visa will, Mastercard will, Paypal will, and lastly, most...