There is no built-in utility that checks boot-time for windows. For this you’ve to look for the 3rd party applications. You can download boot-time utility to measure boot time. Boot-timer is free utility that can help you find the boot-time of windows.
After downloading the utility you’ve to run the executable. Then it will ask for the reboot. So you’ve to reboot the system. After reboot command prompt message pops up that asks you not to use mouse and keypad. After that it pops up the message that is calculation of the boot time.
The time measured by this utility is the time from BIOS boot to windows loading. Though it’s not perfect as many of us had to login using ctrl+alt+del before desktop appears. But still this utility can be used to get rough calculation for the boot time.
