Here are the steps on how to install the CircuitBlocks. Go to this link, and you’ll see this part at the top of the website.
Click on Download (the white button), and this will come up.
Here, you’ll have to choose the version of OS you need and download the correct one. The antivirus check request might come up, but you can just ignore it. We assure you that no virus will attack your PC from downloading CircutiBlocks.