Welcome to the Candy Crush Saga Community
Do you have a question or need help with your game? Ask the Community.
Sure dear, I'll try to help you.
You take the screenshot with your mobile (I only know how to do it with a mobile, I don't know how to do it from PC, I hope you are using a mobile).
To publish it, click on the second icon of the four that you see below, in the publication box. A window will open for you to select the file. You select it, you wait for it to load and you can now publish