Safari Users

1. Click on the Settings icon and select Preferences.
2. Click the Advanced tab in the Preferences window.
3. At the bottom of the window, check the Show Develop menu in menu bar checkbox.
4. Open the Develop menu in the menu bar and select "Enable WebGL."

Chrome Users

1. Type chrome://flags where you would normally type a web address. Hit Enter.
2. Under the Experiments list, find "Override software rendering list" and press Enable.

Note: After enable WebGL if it is still not working then disable "Disable hardware-accelerated video decode" option in chrome://flags

FireFox Users

1. Type about:config into the browser and press Enter where you would normally type a web address.
2. Type webgl.force-enabled into the Filter: search box.
3. Press your mouse on the Value that is displayed to highlight the row.
4. Right click your mouse on the highlighted line and choose "Toggle".