For PowerPoint and Word
You can install Pickit in PowerPoint or Word directly from Microsoft AppSource or you can do it by going to the "Insert" tab, find "Get add-ins" and search for Pickit. Click "Add" and the add-in will be installed in the ribbon in the "Home" tab.
For Microsoft Teams
Open Teams and click on the three dots in the left menu. Click on "More apps" and search for Pickit. Click on "Add to a team" and it will be added in the left menu.
Please note that your IT admin can disable the ability to install add-ins within your Microsoft environment. The add-in can be deployed internally by your administrator, read more here: https://pickit.com/help/how-to-publish-the-pickit-add-in-using-centralized-deployment