For those who are getting an error activating this builds no matter what you do, You can do this steps!
1- Go to Settings > Update & Security > Activation
2- Go to "Change activation key"
At this point doesn't matter if you already tried to changue it for this keys. Do this step to go to next step!
Keys:
For Windows 10 Insider Preview Home Editions: KTNPV-KTRK4-3RRR8-39X6W-W44T3
For Windows 10 Insider Preview Pro Editions: 8N67H-M3CY9-QT7C4-2TR7M-TXYCV
For Windows 10 Insider Preview Enterprise Editions: CKFK9-QNGF2-D34FM-99QX2-8XC4K
Click NEXT, And It will say "WINDOWS COULDN'T ACTIVATE WINDOWS WITH THIS KEY"
CLICK EXIT.
AT THIS POINT THAT DOESN'T MATTER! DO NEXT STEP!
3-Right Click at start button, and select Command Prompt (Admin)
4-In CMD, Type slui.exe 4
YES THE 4 IS NECESSARY. INCLUDE IT.
PRESS ENTER.
5-In the windows there is a phone number. Go to your home phone or smartphone and call it. IS FREE AND IT IS AN AUTOMATED VOICE.
6-While you are calling press NEXT. You will now see a very large number in groups, this is what you will use in the automated call.
6-Follow the instructions to get to activation of windows, office and other products in automated call (In some point it just says press one to office activation) If is in a loop press 2.
7-Listen the instruccions, you will be need to enter pressing the numbers on your phone the large code in groups while the voice is telling you each group.
9-After you finish it will say click NEXT and you will need to enter a code. It will tell you the code. Then Click NEXT and that's it.
10-Windows will be now activated. just click exit!
