update links

Author: Renat0Ribeir0

content/Arduino Cloud/Cloud Editor/Boards-compatible-with-the-Cloud-Editor.md

@@ -34,7 +34,7 @@ These boards are supported:
 
 ## Cloud Editor on Windows, macOS, and Linux
 
-To use the Cloud Editor on Windows, macOS, and Linux, you need to install the <a class="link-up-right" href="https://create.arduino.cc/getting-started/plugin">Arduino Create Agent</a>.
+To use the Cloud Editor on Windows, macOS, and Linux, you need to install the <a class="link-up-right" href="https://create.arduino.cc/getting-started/plugin/welcome">Arduino Create Agent</a>.
 
 These boards are supported:
 

content/Arduino Cloud/General Cloud/Install-the-Arduino-Create-Agent.md

@@ -16,7 +16,7 @@ Learn how to install the Arduino Create Agent on your computer.
 
 Open this page and follow the instructions:
 
-[Install the Arduino Create Agent](http://cloud.arduino.cc/download-agent){.link-chevron-right}
+[Install the Arduino Create Agent](https://cloud.arduino.cc/download-agent){.link-chevron-right}
 
 You can now use [the Cloud Editor and Arduino Cloud](https://docs.arduino.cc/arduino-cloud/guides/overview/).
 

content/Software Support/Upload/avrdude-ser-open-cant-set-com-state-for-COMn.md

@@ -3,7 +3,7 @@ title: "avrdude: ser_open(): can't set com-state for COMn"
 id: 13148652511260
 ---
 
-An "`avrdude: ser_open(): can't set com-state for COMn`" error can occur when uploading to the boards that use specific batches of the [WCH CH340 USB chip](http://www.wch-ic.com/products/CH340.html). The problem only occurs when using the latest version of the CH340 driver, and can be solved by installing a previous release.
+An "`avrdude: ser_open(): can't set com-state for COMn`" error can occur when uploading to the boards that use specific batches of the [WCH CH340 USB chip](https://www.wch-ic.com/products/CH340.html). The problem only occurs when using the latest version of the CH340 driver, and can be solved by installing a previous release.
 
 ---