How to fix : “Error downloading http://arduino…”

• When you install the ESP8266 board in Arduino IDE . Some times, you can get an error. 

Error downloading http://arduino.esp8266.com/stable/package_esp8266com_index.json

• You can fix the error in 2 ways:

• • Using other networks

» delete folder Arduino15 in “C:\Users\Administrator\AppData\Local” 

 » disconnect current network and using DCOM 3G network.

• • Using other source address

» delete folder Arduino15 in “C:\Users\Administrator\AppData\Local” 

» using a link instead

https://github.com/esp8266/Arduino/releases/download/2.3.0/package_esp8266com_index.json

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