Make u r PC welcomes YOU

1. First open Notepad and write as follows:


        Dim speaks, speech
   speaks="Welcome to your PC, Username"
   Set speech=CreateObject("sapi.spvoice")
   speech.Speak speaks



2.Replace username with u r name.
3.Save the file as “ Welcome.vbs”

4.Navigate to 

For Windows xp :
              C:\DocumentsandSettings\AllUsers\StartMenu\Programs\Startup 

For Windows vista, 7, 8
        C:\Users{UserName}\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup 

Replace Username should be u r pc username and copy the link
  {  if C: is your System drive. AppData is a hidden folder. So, you will   need to select showing hidden folders in Folder options to locate it. }

5. Paste the link in the address bar and click enter.
6. Copy the notepad file into this location.
7. Now restart u r pc and This time u r pc welcomes U with u r name.

Here is a video in a detailed way :