The Source, Task Category and Descriptions sections help identify the event. When a system boots, it logs a "Kernel-General" source and is described as "The operating system started at system time Taylor embarked on a professional writing career in and frequently writes about technology, science, business, finance, martial arts and the great outdoors. Andy Gauge proposes in the comments :. In Windows PowerShell script, you could just type:.
In Autoit a Windows scripting language , that would be:. As an alternative, CoastN proposes in the comments :. As the system. It's given as the number of seconds since January 1, Note: for Windows 10, this date will be when the last feature update was installed, not the original install date.
All of the methods described in the answers before mine gives me the date of the Creators Update installation. Open command prompt, type " systeminfo " and press enter. Your system may take few mins to get the information. In the result page you will find an entry as "System Installation Date". That is the date of windows installation. This process works in XP ,Win7 and also on win8. Here is a quick and easy way to find out the date and time at which your PC operating system installed or last upgraded.
It also tells you when the update started, ie. This may of course not be when the update ends, the user may choose to turn off instead of rebooting when prompted, etc It can easily be obtained using this command assuming Windows is installed on C: :. The definition of UNIX timestamp is timezone independent.
It's the wrong date , it doesn't store timezone where the computer was initially installed. The effect of this is, if you change the timezone while running this program, the date will be wrong. You have to re-run the executable, in order for it to account for the timezone change.
Use speccy. It shows the installation date in Operating System section. You can also check the check any folder in the system drive like "windows" and "program files". Right click the folder, click on the properties and check under the general tab the date when the folder was created. You can simply check the creation date of Windows Folder right click on it and check properties :.
After trying a variety of methods, I figured that the NTFS volume creation time of the system volume is probably the best proxy. While there are tools to check this see this link I wanted a method without an additional utility. How are we doing? Please help us improve Stack Overflow. Take our short survey.
Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams? Collectives on Stack Overflow. Learn more. Last week, my computer for some odd reasons felt really slow to work with. I wanted to know how long it has been since I last reinstalled my OS? I first tried to look for the installation date in System Information msinfo After exploring a bit further, I found out that Windows has a built-in DOS-based utility called systeminfo.
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We use cookies to make wikiHow great. By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article Steps. Tips and Warnings. Related Articles. Then type cmd and press Enter. That will bring up the Command Window. In the Command Window, type systeminfo and press Enter.
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