i was told i need to upgrade to worms mayhem .1 to play online how do i do this and do i have to pay? thanks in advance stevenn21

Hello! Welcome here.

To be able to play online you dont need to pay. But you should have an original copy of the game. Then you can check www.wormsmayhem.com to download the Patch 1.01 and to know how to configure your firewall/router to online play.