First, save your visual by clicking on the Save button at the top right.You will be prompted to enter a title for your visual, and it might take a few seconds while a thumbnail is generated. After this, your visual will be saved in your account for future uses.
Next, click on the Download option in the upper right. A popup will appear. Here, you can pick the Resolution (image/ PDF), Size (Original/ Medium/ High Resolution/ Custom), and Size Format (PNG/JPEG) that you would like to save your infographic in.
You can also choose to download your infographics as blocks (Zip file).
If this download doesn't happen automatically, you can right-click on the thumbnail and choose where on your computer you would want to save your infographic.
Happy Piktocharting! :)