How to check OS install dates for quarantined statuses.
Windows
Windows 7 and Windows 10
Start > run > cmd > systeminfo
- Open the start menu
- search cmd
- open the command prompt application
- type "systeminfo" (without quotes) and hit the enter key.
Windows 8
1 - Go to the Search Charm How to Search in Windows 8
2 - Search "cmd".
3 - Select the "Command Prompt" App.
4 - Type "systeminfo" and hit "enter".
Mac
Mac OS X Mountain Lion (10.8)
- Open the console window in the Utilities folder, as outlined above.
- Navigate to /var/log, then click on install.log
- Scroll all the way to the top of the list, until you see a series of text that says "Install Mac OS X Mountain Lion"
- The date next to the text is the install date.
Mac OS X Yosemite and El Captain (10.10 & 10.11)
- Open the console window in the Utilities folder, as outlined above.
- Navigate to /var/log, then click on install.log
- Scroll all the way to the top of the list, until you see a series of text that says "OSInstaller"
- The date next to the text is the install date.