I am new to arduino. I choose the example Blink and tried to change the times in the loop. The file is readonly. Following the tutorials I try to save it in my sketchbook folder.
File> Save as
is grayed out. I copy the example folder from its location in Arduino/content/examples to my sketch book. Same result. No editing possible. Whati s gooing wrong? Arduino nano Every Arduino 18.10 MacOS 10.14