Installing ARDUINO on Windows 8
The Arduino Uno comes with unsigned
drivers, so in order to install and use your ArduinoUno on windows 8, we must
disabling the digitally signing first.
When you try install the driver maybe you
will receive the error message like this “The driver is not digitally signed”.
Don’t worry. It’s ok
Picture 1. Error message
So all you can do is disabling driver
signature enforcement. 
Please open the charms bar and click Change PC Settings. 
General and under Advanced Startup
and click Restart Now. 
The PC will restart and make sure you have
saved your work 
Picture 2. Setting and restart
 When the computer starts up click Troubleshoot Go to Advanced Options
select Startup Settings and then Restart
Choose number 7   “Disable
driver signature enforcement”
then computer will restart and wait Arduino’s
will process for next installation. 
Click Install this driver software anyway and installation 




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