Choosing this item will expand your installation to fill the rest of the SD card. You will need to reboot the Raspberry Pi to make this space available. Note there is no confirmation – selecting the option begins the partition expansion immediately.
- Start on the Raspberry Pi Configuration System tab.
- Click Expand Filesystem. A message stating that The filesystem has been expanded. The new space will not be available until you reboot your Raspberry Pi. will be displayed.
- Click OK. The message will close.
When you reboot your Raspberry Pi, the file system will be automatically resized, which can take some time – depending on the size of your SD card.