Its very easy to acces a free server but this is the wrong section to post questions. [no questions]
and click register.
2.Make an account.
3.Go to you world of warcraft directory and open the realmlist.wtf
4.Edit the Realmlist with a texteditor to
set realmlist logon.wowscape.net
5.Open World of warcraft and login with your Account that you created on the site.
6.Choose a Realm where u want to play , there are 3 options, the first is the same as official world of warcraft, the wowcrack realm is with higter xp and drop rates and on the funserver you can buy T3 and get lvl 70 in 4 hours with a very hight droprate.
7.Enjoi your free gaming time^^