Home » PowerShell » Get Last Boot Time of Your Computer PowerShell Get Last Boot Time of Your Computer January 15, 2015 Annette Here is a quick PowerShell one liner that will get the last boot time of your computer from days to ticks to milliseconds! Try it out: (Get-Date) - (Get-CimInstance Win32_operatingSystem).lastbootuptime Share this:Click to share on LinkedIn (Opens in new window)Click to share on Twitter (Opens in new window)Click to email a link to a friend (Opens in new window)Click to print (Opens in new window)