How to set proxy in Rstudio V0.99.903 R 3.3.1 Windows?
<p>I cannot install the devtools package because I cannot set the proxy settings required by the WiFi connection that I use.</p>

<p>Refer to the image for the errors.</p>

<p><img src="https://i.stack.imgur.com/48YBI.png" alt="enter image description here"></p>