How to know the Windows installation date

Know when do we install windows It can be very useful, for example, to carry out a better planning of the maintenance of the system, as well as in case we are going to buy a used equipment and really know how long it is estimated to be in use, or simply to know how long the installation lasted.

The truth is that remembering the installation of Windows is practically impossible, but fortunately our great ally is the system itself, Windows, which saves the installation date and although it is not directly visible, there are tricks that allow us to reveal it simply and fast. Next we will see 5 methods for all tastes, choose the most appropriate for you.

Tricks to know the Windows installation date

1. System Info

1.1 In the start menu type cmd and runs the Windows command processor. Another way to access it is with the Win + R key combination and type cmd as well.

1.2 Type or right-click the following command and press enter:

systeminfo | find /i "date of"

If your system is in English the correct command is:

systeminfo | find /i "install date"

Original installation date Windows

1.3 The 'SHORT METHOD' of the previous command is the following:

systeminfo | find "original"

Be careful with the command «System Info«, if you run it alone it will show you more interesting information about your system that you should know 

 2. System Info (with variation to save in txt)

It is optional, what we will do is save in a text file that system installation date that we obtained in the previous step.

Do step 1.1 and then write the following instruction:

systeminfo | find /i "date of" > c:windate.txt

For Windows in English:

systeminfo | find /i "install date" > c:windate.txt

Save Windows installation date

Notice that we are telling it to save a plain text txt file with the name datewin (you can change it) on the C drive. Open it and you will see that it contains the installation date of your system, an important file at your entire disposal.

3. install date

It is a different command but it also shows the Windows installation date, following step 1.1 to open the console and run:

wmic os get install date

Get Windows Install Date

At first glance it is not very clear what is shown, so you should read the correct format as follows: YYYYMMDDHHmmss

Where:

    • YYYY = year;
    • MM = month;
    • DD = day;
    • HH = hour;
    • mm = minutes;
    • ss = seconds;

4. Windate

View the Windows installation date

With Windate you can easily obtain the windows installation date, this being very useful
to know how much time has passed since the last formatting performed.

Free and portable utility, compatible with Windows XP onwards.

5. VBScript application

Using the programming code, we open the notepad and paste the following into it:

strComputer = "." Set objWMIService = GetObject ("winmgmts:" _ & "{impersonationLevel = impersonate}!" & StrComputer & "rootcimv2") Set objOS = objWMIService.ExecQuery ("Select * from Win32_OperatingSystem") For Each strOS in objOStallOS dtatens. strReturn = WMIDateStringToDate (dtmInstallDate) Wscript.Echo "Windows was installed on this computer on" & Chr (13) & Chr (13) & "" & strReturn & Chr (13) & Chr (13) & "Format: Day / Month / Year Hours: Minutes: Seconds "Next Function WMIDateStringToDate (dtmInstallDate) WMIDateStringToDate = CDate (Mid (dtmInstallDate, 5, 2) &" / "& _ Mid (dtmInstallDate, 7, 2) &" / "& Left (dtmInstallDate, 4 ) _ & "" & Mid (dtmInstallDate, 9, 2) & ":" & _ Mid (dtmInstallDate, 11, 2) & ":" & Mid (dtmInstallDate, _ 13, 2)) End Function

You save the file with the extension .vbs (important) and any name.

6. Speccy

Piriform, the creators of the good CCleaner, have a great tool -free- that shows us advanced information about our system and among them, we will take advantage of the «Operating system«, which precisely shows us the installation date of the system.

Windows installation date with Speccy

If you already have this utility just run it, otherwise what are you waiting for? 

Bonus!

For the more adventurous, on the blog geekazos They comment on one more method through the navigation through the registry, it is a little more time consuming but just as efficient.

Now it is your turn, tell us which method you prefer or you can give it a +1, like or tweet to this post we are already back 


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