Downloading and installing the new Arduino IDE for ESP8266

Moderator: igrr

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By ashish113
#92771 Check the black screen on the bottom of the Arduino IDE. It will the show the error. In my case, I copy-pasted the link two times, so screen was showing some error like Downloading from link....; So anyone facing this issue, recheck your url in preferences -> Additional Boards Manager URLs.
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By Bradley Hill
#96514 Hi Team,
Having an issue with the Community ESP8266 board package. It was working in the morning 4 am AWST then in the evening I could not upload a sketch to my Node MCU V3 as it showed that the port was not available.
I reinstalled the driver CH 341, then tried to get it working by un-installing my board package.
Now it is unable to to install any version of the package and is throwing this error.

Failed to install platform: esp8266:esp8266.
Error: 2 UNKNOWN: Get "": tls: failed to verify certificate: x509: certificate signed by unknown authority

Any help please?