Sportsdevil 2021 is a free and open-source program. It can be installed on Windows, Mac OS X, and Linux. To install Sportsdevil 2021 on Windows, download the installer from https://github.com/SportsDevil/SportsDevil-2.0.1-Setup.exe and run it to install Sportsdevil 2021 on your computer. To install Sportsdevil 2021 on Mac OS X, download the DMG file from https://github.com/SportsDevil/SportsDevil-2.0.1-MacOSX10_13_6_Installer.dmg and run it to install Sportsdevil 2021 on your computer. To install Sportsdevil 2021 on Linux, download the .tar.gz file from https://github.com/SportsDevil/SportsDevil-2.0.1-Linux64bit-Installer and extract the files to a folder of your choice, then run ./install_linux64bit_x86_64bit to install Sportsdevil 2021 on your computer.