You can follow the below
steps to integrate VS 2008 with TFS:
Setting up the Team Explorer:
1. Download and install
Visual Studio Team System 2008 Team Explorer.
Connecting to TFS:
1. Open Visual
Studio 2008. Click "Connect to Team Foundation Server..." under the menu
2. Click on "Servers...", then click on "Add...", enter
the Server URL plus your organization ID on your TFS Hosted account.
If you forgot the URL, please check it on the
3. Enter the credentials to log in.
4. Ok, now
you are connected to TFS and ready to work.