$InstallationDate
gives the date and time at which the copy of the Wolfram System kernel you are running was installed.


$InstallationDate
$InstallationDate
gives the date and time at which the copy of the Wolfram System kernel you are running was installed.
Examples
Basic Examples (1)
The installation date, is given as DateList:
Tech Notes
History
Introduced in 1996 (3.0)
Text
Wolfram Research (1996), $InstallationDate, Wolfram Language function, https://reference.wolfram.com/language/ref/$InstallationDate.html.
CMS
Wolfram Language. 1996. "$InstallationDate." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/$InstallationDate.html.
APA
Wolfram Language. (1996). $InstallationDate. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/$InstallationDate.html
BibTeX
@misc{reference.wolfram_2025_$installationdate, author="Wolfram Research", title="{$InstallationDate}", year="1996", howpublished="\url{https://reference.wolfram.com/language/ref/$InstallationDate.html}", note=[Accessed: 18-August-2025]}
BibLaTeX
@online{reference.wolfram_2025_$installationdate, organization={Wolfram Research}, title={$InstallationDate}, year={1996}, url={https://reference.wolfram.com/language/ref/$InstallationDate.html}, note=[Accessed: 18-August-2025]}