In Windows, there is one in-built too will records all events in your computer called “Event Viewer”.
This application records all your computer activities from login to log off etc.
The Event Viewer can be accessed in all Windows Operating system:
Windows XP, Vista, Windows 7 and Windows 8.
Here, I”ll show you how to find the login events in Windows 8.
To open the Event Viewer, type the eventvwr.msc in Run Command
(Open run command Press Win + R Keys ) and press enter.
Now the Event Viewer utility will open, and many logs will be shown to you.
To get login events of you computer clickWindows logs -> System in the left panel.
The System log will show all the logs from kernel, Wireless network service start.
There you can also find out the login event “Winlogon”.
Just click the login event to display the properties of that event in the panel below.
In the properties, you can get the much needed information such as Login time, user account, event ID.
Note : If you have found that someone has accessed your computer, change your user password immediately with complex one and scan your computer with Best Antivirus applications and Anti-malware security applications, remove threats if you found.