Windows Phone 8 devices are capable of connecting to LinkedIn without the aid of any additional software.
Configuring Your LinkedIn Account
To connect a phone to LinkedIn, go to the Settings screen and follow these steps:
1. Tap Email+Accounts.
2. Tap Add an Account.
3. Tap LinkedIn
4. Tap Connect.
5. Enter the email address and password that are connected to your LinkedIn account.
6. Tap OK, I’ll Allow It.