Which version and build of Windows are you running on?
To check it, open Run (press Win key + R) and type winver and hit Enter. Take a screenshot of the pop-up that comes up after hitting Enter. Save the screenshot somewhere, come to this page, hit Reply, click the button which has the icon of a picture, choose Choose file, select the file, and click Submit after the image loads.
Pinning Cortana can be done in 2 ways:
- Open Windows Search in the taskbar and type Cortana. Right-click the app in the search results and choose Pin to taskbar. This is the end result:
If you want, you can slide it near the Task View button to make it beautiful, like this:
2. Right-click the taskbar and click Show Cortana button. This will be the end result: