I think he means this: Event viewer - Custom views - Administrative events? (or summary of Administrative events?)
(I think this is probably what the op mean?) if I open this, I then have several itemised portions.
These are all log file of events that have occurred on your computer over a specified period. If you have deleted them, I don't think there is a way to get them back. But if your computer is operating OK, they are not important, and will quickly reestablish themselves, as they are, in many cases, merely a log of opening procedure, etc.
Fwiw. To obtain a copy of someone elses would be pointless, as the events are random and specific to the one computer. If you look again now, aprticularly if you have rebooted, you...