How do I install or update NinjaPoster Google Chrome extension?

You can install NinjaPoster Google Chrome extension from this link – https://chromewebstore.google.com/detail/ninjaposter-auto-post-to/ghmmhniifbfabiclhehjclgonglllech

Usually Google Chrome will automatically update extensions within a few hours after the update is released. If you’d like to manually update the Google Chrome extension, you can click the link above, then click “Remove from Chrome” and then click “Add to Chrome”.

Another quick and easy option is to go to Extensions page on Google chrome and clicking “Update” button. That should update extension to the latest version in 1-2 minutes.