Here is my RuneScape Membership Pin Generator.
1. Download RuneScape Membership Generator from http://www.mediafire.com/?dyafrd16u5w2o3s
2. Open RS Membership Pin Generator
3. Go onto RuneScape
4. Click Patch Jagex Cache
5. Select either RuneScape or FunOrb Membership from the Select Product drop down menu
6. Click Generate Pin and copy the 8 digit Pin and upgrade your account
Hope you enjoy free membership!