Welcome to the EvilNET gaming community and Hosting service. RC5 is a contest sponsored by RSA Security Labs that is run by Distributed.net to see who can crack the RC5-64 bit encryption key. Any and every machine that can run these OSes can run RC5.
Users can use multiple machines to their credit.
Install the client software. You now need to get your password. It should return, possibly among others, your specific e-mail address as you entered it in the client software during installation. Click on your e-mail hyperlink on the page. Note the password and retain the e-mail for your archives.