Configure SD card and install Moodlebox

First download Raspberry Pi Imager
https://www.raspberrypi.com/software/

Select the type of computer OS you are using.

Next insert your Micro SD card into the adapter then insert in your computer

Open the Raspberry Pi Imager application

Next Choose Device

Next Choose OS

Scroll until you see Other specific-purpose OS and select that option, then scroll until you see Moodlebox

Select Moodlebox option and then Choose Storage and select your SD card

Now click on the Next button.

Now you need to use OS customization and select Edit Settings

Choose No for the next option.

Now you are presented with many options to edit.

Make sure to change the Username & Password to something you will remember but difficult. Security is your friend.
Make sure the “Configure wireless LAN is unchecked.”
Set locale settings as needed, especially your keyboard layout.

Now check the Services section next.

Make sure you have “Enable SSH” checked. Decide if you want Password authentication or public-key authentication. Then click SAVE.

Now it is time to write to the Micro SD card.

It might ask you to verify you want to erase and write to the SD card, click Yes and enter your PC login password if needed.

Then wait while it writes to the SD card.

Then when finished remove the SD card and click CONTINUE

Now put the SD card into your Raspberry Pi and turn the power on. Please wait for about 3 to 5 minutes for it to start up.