Not enough disk space to install the latest Windows 10 update

I recently get my LattePanda 2G/32GB with Windows 10 activated, but windows 10 update assistant can´t upgrade to latest version 1803, because it need at least 8 GB of free space, but it has only 7GB. How i can free space if my LP is practically new?

I already tried to free space, using the assistant, but I have not had success. Screenshot (1).png (376.03 KiB) Viewed 2015 times