Sure, here are the steps on how to connect TFS in Visual Studio Code:

1. Open Visual Studio Code.
2. Click on the Extensions icon in the Activity Bar.
3. Search for the Azure Repos extension.
4. Install the extension.
5. Open a local folder in Visual Studio Code.
6. Click on the Source Control icon in the Activity Bar.
7. Click on the Team Explorer button.
8. In the Team Explorer pane, click on the Connect button.
9. In the Connect to Team Foundation Server dialog box, enter the URL of your TFS server.
10. Enter your username and password.
11. Click on the Connect button.

Once you have connected to TFS, you will be able to see all of the projects that are available on your TFS server. You can also open and work on files in these projects.

Here are some additional things to keep in mind when connecting TFS in Visual Studio Code:

• You will need to have the Azure Repos extension installed in Visual Studio Code in order to connect to TFS.
• The URL of your TFS server should be in the following format: https://<tfs_server>/tfs/.
• If you are connecting to a TFS server that is located in a different organization or project, you will need to specify the organization and project name in the URL.
• You can also connect to TFS using the tf.exe command from the command line.