This panel is located in: Your Admin CP --> Blocks configuration --> Blocks Operator
To edit main blocks in Your website front page You need to use "Blocks Operator":
After You click on "CONTENT" button You will go to:
After You click on "EDIT" button You will go to:
Actually "Blocks Operator" is main navigation tools in Maxtrade AIO admin control center and You can do many operation. It's good idea if You "play" with BO and experiment what exactly you can do in Your case of use.