How to Table design track each activity in Web Application

For Example :

Take the  User Module. The user module has below fields

1. UserName
2. DOB
3. Certification - Multiple
4. Project - Multiple 
5. Status of user - Active or Inactive 

We need  log  for

• when the User created ,
• Who is created ,
• While creating howmany certification 
• If removed the certification 
  • When removed 
  • who is removed 
• If Added certification 
  • When Added 
  • What added 
  • Whos is added 

We need that kind of log . So how design table structure for this requirement in SQL Server