Open Resource Hacker utility. Click on File ---> Open. Type "explorer.exe" in the text box.
From the right window next to where start is written in front of 578 edit the text to what you want on your start button. For example I edited it to SreejithThampyR as shown in the figure below:
Click on the "Compile Script" button on top of the right window. Now click on File ---> Save as ----> wintipz.exe as shown in Figure Below
Restart your computer to see the changes.