Who is an Administrator?
An administrator is the user who is able to add, modify, delete and control overall security features in a program.
Why to run program as an administrator?
Some programs may have compatibility issue with the current version of windows. It may be written for previous version and may not function properly in the current version of windows. So, for trying it out to run in the current version of windows you have to run the program as an administrator.
How to run program as an administrator?
Right click on the program which you want to run as an administrator.
Now the program will run in administrator mode.