Curious about when you installed Windows and how long you’ve been chugging along without a system refresh? Read on as i show you a simple way to see how long in the tooth your Windows installation is...
Although you only intended to ask one question, Your direct question is an easy one to answer (how to check the Windows installation date). Let’s start off with the easy one: how to check your installation date.
Windows includes a handy little application just for the purposes of pulling up system information like the installation date, among other things. Open the Start Menu and type cmd in the run box (or, alternatively, press WinKey+R to pull up the run dialog and enter the same command).
At the command prompt, type
Give the application a moment to run; it takes around 5-10 seconds to gather all the data. You’ll most likely need to scroll back up in the console window to find the section at the top that lists operating system stats. What you care about is Original Install Date:
Above in photo you can see data of my windows installation that i upgrade my windows from windows 8 to windows 8.1 on 18 October 2013.
That's all, Below you can see Video tutorial which is show clearly How to check the age of windows installation...
Video by Ibrahim Jabbari
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