Just download the file and compile it on your system, then run it as any other C++ program.
It should work correctly and no fixes should have to be made to display UTF-8 characters (suits).
If suits aren't displaying correctly on Windows Powershell, you can run the following command to let PS know that it should use UTF-8 when communicating with external programs:
$OutputEncoding = [Console]::InputEncoding = [Console]::OutputEncoding = New-Object System.Text.UTF8Encoding
You can check this answer in Stack Overflow for more information.