To update the application, you can follow the below steps:
Go to the location (i.e., Site collection or subsite) where the old version application is
available, which you
- Right-click and select Details.
- This displays the details page.
- Click on GET IT as shown in below.
- Click on Trust it as shown in below.
- Please wait for some time and refesh the page, until the Employee Directory application changes from grey to blue color.
Once its in blue color, you can check the version of the Employee Directory application.