If you have Silverlight installed but see the prompt "To use this, please install Microsoft Silverlight" please follow the steps below to resolve the issue.
How to Enable NPAPI plugins (Silverlight) - Windows only:
  1. Open Chrome and manually copy the following text to the browser address bar then press "enter": chrome://flags/#enable-npapi

  2. Click the Enable NPAPI setting.

  3. After that, click "Relaunch Now" at the bottom of your Chrome window.
    Note: Closing and reopening Chrome is not sufficient, you must click the "Relaunch Now" button.

  4. Once Chrome relaunches, verify Silverlight is installed by browsing to  http://www.microsoft.com/getsilverlight/Get-Started/Install/Default.aspx

  5. If you see the message below, browse back out to ASA24 and continue as normal

  6. If you see the message below, Silverlight is not currently installed. Please click the "Click to Install" button to install Silverlight.