You can take advantage of this offer by claiming through your existing Twitch Prime account or signing up for a free trial here.
Once you have claimed your free one month RuneScape membership code, you can redeem it by logging into the billing section of the RuneScape website.
For a full, step-by-step guide for both new and existing players, see our Twitch Prime how-to guide.
Mods Archie, Ash, Ghost, Jed, John C, Kieren, Mat K, Maz, Ronan, Roq, Ry, Stone, TomH, Weath, West & Wolf
The Old School Team