An obvious one is Windows, doing that since 1995. A wise guy can get Windows, Office, Server etc. for free and also the software and games installed on Windows

An obvious one is Windows, doing that since 1995. A wise guy can get Windows, Office, Server etc. for free and also the software and games installed on Windows also for free. The combination of free Windows + Torrenting content is a sugar high for the whole world but especially the developing world, for sure there will be a withdrawl syndrome when/if it eventually ends due to better enforcement of copyright laws or countries installing big impenetrable firewalls to circumscript internet access.