Change Discord Discriminator (For Free)

Step 1: Join Server 
Step 2: Goto #songrequests-commands
Step 3: Type .discrim (with the dot)
Step 4: Copy one of the usernames & set to your user in your discord settings.

Step 5: Type your password & Save
Step 6: Change your username to whatever you want.

(I believe this can only be done once or twice a day.)