1194.22(m): When a web page requires that an applet, plug-in or other application be present on the client system to interpret page content, the page must provide a link to a plug-in or applet that complies with 1194.21(a)(1-11).
Related Guidelines: WCAG 6.3, 6.4, 8.1; IBM 6.
Information conveyed and the function provided by applets, plugins or other objects must be available to users of screen readers and other assistive technology .
Check that the software is directly accessible (desktop players, for example) or provide accessible alternatives.