Every product gets its success from the quality of the code and that becomes solid with a code review. Visual Studio allows you to create a code review request, directly from Team Explorer, and allows you to catch the defect early as it's in development stage, thus reducing the overall cost of a product.

To create a code review request, first open the History page of your change sets. Select the change set that you would like to get reviewed by your other team members. From the right-click context menu, as shown in the following screenshot, click on the Request Review menu entry:

This will open the following code review request dialog where you can add one or more reviewer's name, title of the review request, and the comment/description. Fill in all the details and when you are ready, click on the Submit Request button: