Sugar on a Stick/Raspberry Pi

How to use Sugar on a Stick on a Raspberry Pi;

on another computer, visit arm.fedoraproject.org and download the Sugar on a Stick image,
write the image to a microSD card, see #Fedora_Media_Writer below, or use the Fedora Raspberry Pi Documentation,
insert the microSD card into the Raspberry Pi, and turn it on,
answer the post-install questions; time zone, root password, and add a user,
at the login prompt log in with the added user, and Sugar will start.

Security Warning

Remote access is pre-enabled through SSH. Risk can be reduced by choosing strong passwords in the post-install setup questions. Can be fixed after install with Terminal command;

sudo chkconfig sshd off

Security Updates

Security updates can be downloaded with Terminal command;

sudo dnf update

Fedora Media Writer

How to write an image to microSD card using Fedora Media Writer (FMW), which is available for Mac OS X, Microsoft Windows, Fedora Linux, and Ubuntu Linux as a flatpak, or from source.

download the raw.xz file
select and extract, result is a raw file
start Fedora Media Writer
select "Custom"
select the raw file
Insert microSD in Mini Card Reader and insert in USB port
Choose rpi3 from drop-down in Fedora Media Writer
Write microSD

Wireless

Wireless does not work because firmware has a license restriction, download it in Terminal;

sudo curl https://raw.githubusercontent.com/RPi-Distro/firmware-nonfree/master/brcm80211/brcm/brcmfmac43430-sdio.txt -o /lib/firmware/brcm/brcmfmac43430-sdio.txt

And then reboot.