how to have steam in chromebook code example

Example: install steam on chromebook

/usr/bin/curl -L "https://chromium.googlesource.com/chromiumos/platform/dev-util/+/master/contrib/gfx/crostini-steam-setup.sh?format=TEXT" | /usr/bin/base64 -d > /tmp/crostini-steam-setup.sh; /bin/chmod a+x /tmp/crostini-steam-setup.sh; /usr/bin/sudo /tmp/crostini-steam-setup.sh