Windows 10 Product Key Activation Issue

[Heydon2015]

(08-30-2015, 01:37 PM)Compton Wrote:  ok if the test comes back clean it's 100% your hard drive

I let the test go as far as 91% because the fan in the CPU was screaming , and that is the stock AMD heats ink and fan that came with the processor and has copper piping in it. So is windows memory diagnostics tool a good one to use and is it reliable ?