(I for one will still be keeping a note of the key though. So if you do a clean install on the same machine you no longer need the key. Microsoft is changing to the use of online activation, reading the info straight from your machine instead of entering the Product key. This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. It shouldn't realy matter in most circumstances. Authors : SMT, Dexus, Alone Coder, deathsoft. If you upgrade now, after TH2, then you retain your existing key instead of getting a new one.

(I've read somewhere that all Win 10 home keys are the same, but the pro & enterprise keys are different?) My new Win 10 Home product key also starts with YTMG3. I believe that the old key, from the original build, is still retained on your system somewhere - this could explain why you are getting two different numbers, they are being read from different places. I wrote it as I use my Chromebook for listening to, and decoding, software defined radio outputs, so it's good to be able to see what the main frequencies are.Īlso, if like me you use a variable bandpass filter when decoding signals (I use a SotaBeams module), then this app is very useful for seeing the effects of the filter and tuning the center frequency.If you upgraded to 10 from 7, 8, or 8.1 before TH2 then Microsoft issued you with a new Product ID and a new Product Key as part of the upgrade. The top part of the app window shows the audio spectrum, and the bottom half shows those data over time in a waterfall graph.

Therefore, Speccy should display data between zero and around 6 kHz, which is actually still quite useful for other things, such as looking at the audio frequencies in your voice.

It's designed specifically for use in Amateur (Ham) Radio, where signals such as Morse Code are found at lower audio frequencies. Speccy is a simple spectrum analyzer app available free on the ChromeOS webstore: Speccy - The Chrome OS Amateur Radio Spectrum Analyzer

Speccy license