If you want to know the installation time of Windows system, 1. Use the command prompt to view: Open cmd and enter wmic os get installdate. The first four digits of the displayed number string are the year, followed by two digits are the month, and the other digits are the date; 2. View through system information: Press Win R and enter msinfo32 to find the "Initial Installation Date"; 3. Check the system event log: Open the event viewer, filter the records with the event source of "Event Log" and the event ID is 6006, and find the time near the earliest record, which is the initial startup time, which is suitable for determining whether the system has been reinstalled.

Want to know when your Windows system was installed? In fact, there are several ways to find this information in the system, which can be done without additional software.

Method 1: Use the command prompt to view the installation date

This is the most direct way. After the Windows installation is completed, the system will record an initial installation time, which you can view through the command prompt:

• Open the "Start Menu", search for "cmd" or enter cmd directly to enter;
• Enter:

   wmic os get installdate

• After entering the car, a number string similar to 20240315103045.000000 480 will be displayed.

This string of numbers is actually in a standard time format. The first four digits are year (such as 2024 ), the next two digits are month ( 03 ), then date ( 15 ), and the following is the specific time, which can be ignored. So the above example was installed on March 15, 2024 .

Method 2: View through system information

If you don't like using the command line, you can also find it through the graphical interface:

• Press Win R to open the run window, enter msinfo32 and press Enter;
• In the "System Information" window that opens, find the "Initial Installation Date" item;
• The specific installation time will be displayed next to it.

This method is more intuitive and suitable for friends who don't want to type in orders.

Method 3: Check the system event log (advanced)

There is also a slightly more complex but accurate way to find the logs when the system is installed through the event viewer:

• Press Win X and select "Event Viewer";
• On the left navigation bar, expand Windows Logs → System ;
• Click "Filter Current Log" in the right panel, select "Event Log" for the event source, and fill in the event ID 6006 ;
• This event means that the event log service is stopped, and usually occurs when the machine is shut down or the system is initialized;
• If you find the earliest record, the system's first startup time should be nearby.

Although this method is a little troublesome, it can help you confirm whether the system has been reinstalled. If you see multiple records of similar time periods, it may mean that you have reinstalled it before.

Basically these are the methods. Each method can help you check the installation time of Windows, just choose one that you find convenient.

The above is the detailed content of How to find my Windows installation date. For more information, please follow other related articles on the PHP Chinese website!