PC / Mac In Chrome open this link then click the Update button
Android In Firefox Nightly open this link then click the Update button
iOS In Safari click on this link then click on Create on the top right
If you have never installed the plugin before, go to the installation instructions page and follow the steps for your platform to set up the environment for the plugin. You only have to do this once per platform/device. Future updates will only require following the steps on this page.