Instructions
Log in to your "RuneScape" account.
Click the "Options" button on your toolbar. The "Options" button is the wrench and hammer icon at the bottom of the screen.
Click the video settings button, and then select the "High" setting. Close the "Options" window once you have changed this setting.
Launch Fraps on your computer. You will now see the Fraps counter in the top left corner of your "RuneScape" window.
Press the "F9" key on your keyboard to begin recording. The Fraps counter will turn red while it is recording.
Press the "F9" key a second time to stop recording and save your video. By default, the video is located in the "C:\Fraps\Movies" folder.