Introduction

I found out that by default, in SharePoint 2013, there is no option for "Sign in as a different user".

For enabling this option you need to follow the below mentioned steps:-



1. Go to the Path Location

C:\Program Files\Common Files\Microsoft shared\Webserver Extensions\15\TEMPLATE\CONTROLTEMPLATES

Here is a file named "welcome.ascx".

2. Open the welcome.ascx file in the Visual Studio and save it

3. The tag that has Add

Below <SharePoint:MenuItemTemplate runat="server id="ID_PersonalInformation"