You have bought a 2 driver K40 shield, thanks !
You’ll have to install & configure Lightburn : link
If you have the v8.XX of the shield (see label on the shield), please follow carefully this article for installation guide : link
If you have the v7.XX of the shield (see label on the shield), please follow carefully this article for installation guide : link
Take the time to follow each of these steps to make sure you don’t damage your machine or the shield!
In case of issue, please read first the troubleshooting post : Link to post
And to the upgrade your shield one : Link to post
Thank you again!
Avataar120
Discord: Avataar120#7932