Change Default Port Number in Visual Studio 2012

Step 1
Right Click on the web site or project node in Solution Explorer.

Step 2
Select properties from options.



Step 3
Choose Web option.

Step 4
Choose Use Visual Studio Development Server Radio button.

Step 5
And Then Choose Specific Port, Now a Text Box is enable and you can set port number to whatever you need.

Change default port number Visual Studio

Step 1

Click on the web site or project node in Solution Explorer.

Step 2

Press F4, its showing properties tool window.

Step 3

Set "Use dynamic ports" to false

Step 4

Set "Port number" to whatever you need.