Open your EV3 software on your computer.
Visit this link to download the curriculum software: https://education.lego.com/en-us/downloads/mindstorms-ev3/curriculum
After downloading the file, you will need to open the file. It should automatically load the space challenge into the LME software. Close your software.
Reopen your software.
Look for the icon in your lobby.
Before and After
Building Instructions: https://education.lego.com/en-us/support/mindstorms-ev3/building-instructions#building-space