PC uptime is useful in troubleshooting different computer issues.
This is used especially bynetwork adminsfor troubleshooting purposes.
Computer uptime is synonymous with Windows uptime, as both are almost the same.

We will discuss each method one by one.
OpenTask Managerby right-clicking on the taskbar and selecting Task Manager (Ctrl + Shift + Esc).
Clarification:There is one clarification here.

Showing Up time in Task Manager
Windows calculates the total uptime of the computer.
This is like CPU uptime, the time CPU has been active.
If you put the computer to sleep or hibernate mode, those times will not reset the uptime timer.

Network uptime
For example, if my computer was active for 2 hours and then I hibernated it for 24 hours.
I started the computer again and used it for two more hours.
Windows will calculate the total uptime as 4 hours.

Systeminfo System Boot-Time
This only works if your connection is always connected.
Basically, this is the internet uptime.
This will reset if the computer goes to sleep or hibernation.

WMIC command to get last boot time
Check PC Uptime On Windows Using Command Line
you could also check the uptime using the command-line.
Systeminfo
Systeminfo is a command that lists general information about the Windows system.
It lists the last boot time of Windows.

Net Stats command
We will need to manually calculate how much time has passed so far.
This can be helpful for developers and DevOps.
The last +300 is the time zone.

Get Uptime in PowerShell
That means Im in GMT + 3 timezone.
The same command can be used to check Windows Server uptime but the command will becomenet statistics server.
It will calculate the uptime instead of the last boot time.

It also shows the total no.
of days, hours, minutes and seconds separately.
Most people confuse uptime with availability.

Before moving forward, we should know the difference between uptime and availability.
They are not the same.
Availabilityis the probability that a system will work as required when required during the period of a mission.

In this case, the system has uptime, but it is not available for the specific task.
Final thoughts
Default allows Windows to start quickly on Windows 10.
If enabled, Windows will not reset the LastBootUpTime value.
You will not get the exact Windows uptime.
But it only works if you are always connected to the Internet.
These are some ways to quickly get the last boot time or check the total uptime of the computer.
Every command has its own advantages.
it’s possible for you to use the method which suits you best.
The only thing I havent found is the answer to how old is my computer?
The systeminfo command only gives information about the Windows installation date and time.
Maybe BIOS can show me something about that.
you could also check Windows Server uptime using the same commands.
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