Update description of output (MicrosoftDocs#12493)

Author: sdwheeler

reference/7.4/Microsoft.PowerShell.Utility/Get-Uptime.md

@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Utility
-ms.date: 12/12/2022
+ms.date: 11/06/2025
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/get-uptime?view=powershell-7.4&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Get-Uptime
@@ -11,6 +11,7 @@ title: Get-Uptime
 # Get-Uptime
 
 ## SYNOPSIS
+
 Get the **TimeSpan** since last boot.
 
 ## SYNTAX
@@ -88,7 +89,8 @@ Accept wildcard characters: False
 
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable,
 -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose,
--WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).
+-WarningAction, and -WarningVariable. For more information, see
+[about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).
 
 ## INPUTS
 
@@ -107,18 +109,13 @@ By default, this cmdlet returns a **TimeSpan** object representing the elapsed t
 When you use the **Since** parameter, this cmdlet returns a **DateTime** object representing the
 last boot time.
 
-> [!NOTE]
-> If Windows fast startup is enabled, Windows does not update the value stored in
-> **LastBootUpTime**. To disable fast startup, run the following command: `Powercfg -h off`.
->
-> For more information about Windows fast startup, see
-> [Distinguishing Fast Startup from Wake-from-Hibernation](/windows-hardware/drivers/kernel/distinguishing-fast-startup-from-wake-from-hibernation).
-
 ## NOTES
 
-On Windows, the value returned is the same as the **LastBootUpTime** property of the
+This command uses a high resolution timer to calculate the uptime. This time record the number of
+ticks since the system started. As a result, the reported uptime may differ slightly from other
+methods of calculating system uptime, such as the **LastBootUpTime** property of the
 **Win32_OperatingSystem** class in WMI.
 
 ## RELATED LINKS
 
-[Win32_OperatingSystem](/windows/win32/cimwin32prov/win32-operatingsystem#properties)
+[Win32_OperatingSystem class](/windows/win32/cimwin32prov/win32-operatingsystem#properties)

reference/7.5/Microsoft.PowerShell.Utility/Get-Uptime.md

@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Utility
-ms.date: 12/12/2022
+ms.date: 11/06/2025
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/get-uptime?view=powershell-7.5&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Get-Uptime
@@ -11,6 +11,7 @@ title: Get-Uptime
 # Get-Uptime
 
 ## SYNOPSIS
+
 Get the **TimeSpan** since last boot.
 
 ## SYNTAX
@@ -88,7 +89,8 @@ Accept wildcard characters: False
 
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable,
 -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose,
--WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).
+-WarningAction, and -WarningVariable. For more information, see
+[about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).
 
 ## INPUTS
 
@@ -107,18 +109,13 @@ By default, this cmdlet returns a **TimeSpan** object representing the elapsed t
 When you use the **Since** parameter, this cmdlet returns a **DateTime** object representing the
 last boot time.
 
-> [!NOTE]
-> If Windows fast startup is enabled, Windows does not update the value stored in
-> **LastBootUpTime**. To disable fast startup, run the following command: `Powercfg -h off`.
->
-> For more information about Windows fast startup, see
-> [Distinguishing Fast Startup from Wake-from-Hibernation](/windows-hardware/drivers/kernel/distinguishing-fast-startup-from-wake-from-hibernation).
-
 ## NOTES
 
-On Windows, the value returned is the same as the **LastBootUpTime** property of the
+This command uses a high resolution timer to calculate the uptime. This time record the number of
+ticks since the system started. As a result, the reported uptime may differ slightly from other
+methods of calculating system uptime, such as the **LastBootUpTime** property of the
 **Win32_OperatingSystem** class in WMI.
 
 ## RELATED LINKS
 
-[Win32_OperatingSystem](/windows/win32/cimwin32prov/win32-operatingsystem#properties)
+[Win32_OperatingSystem class](/windows/win32/cimwin32prov/win32-operatingsystem#properties)

reference/7.6/Microsoft.PowerShell.Utility/Get-Uptime.md

@@ -2,7 +2,7 @@
 external help file: Microsoft.PowerShell.Commands.Utility.dll-Help.xml
 Locale: en-US
 Module Name: Microsoft.PowerShell.Utility
-ms.date: 12/12/2022
+ms.date: 11/06/2025
 online version: https://learn.microsoft.com/powershell/module/microsoft.powershell.utility/get-uptime?view=powershell-7.6&WT.mc_id=ps-gethelp
 schema: 2.0.0
 title: Get-Uptime
@@ -11,6 +11,7 @@ title: Get-Uptime
 # Get-Uptime
 
 ## SYNOPSIS
+
 Get the **TimeSpan** since last boot.
 
 ## SYNTAX
@@ -88,7 +89,8 @@ Accept wildcard characters: False
 
 This cmdlet supports the common parameters: -Debug, -ErrorAction, -ErrorVariable,
 -InformationAction, -InformationVariable, -OutVariable, -OutBuffer, -PipelineVariable, -Verbose,
--WarningAction, and -WarningVariable. For more information, see [about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).
+-WarningAction, and -WarningVariable. For more information, see
+[about_CommonParameters](https://go.microsoft.com/fwlink/?LinkID=113216).
 
 ## INPUTS
 
@@ -107,18 +109,13 @@ By default, this cmdlet returns a **TimeSpan** object representing the elapsed t
 When you use the **Since** parameter, this cmdlet returns a **DateTime** object representing the
 last boot time.
 
-> [!NOTE]
-> If Windows fast startup is enabled, Windows does not update the value stored in
-> **LastBootUpTime**. To disable fast startup, run the following command: `Powercfg -h off`.
->
-> For more information about Windows fast startup, see
-> [Distinguishing Fast Startup from Wake-from-Hibernation](/windows-hardware/drivers/kernel/distinguishing-fast-startup-from-wake-from-hibernation).
-
 ## NOTES
 
-On Windows, the value returned is the same as the **LastBootUpTime** property of the
+This command uses a high resolution timer to calculate the uptime. This time record the number of
+ticks since the system started. As a result, the reported uptime may differ slightly from other
+methods of calculating system uptime, such as the **LastBootUpTime** property of the
 **Win32_OperatingSystem** class in WMI.
 
 ## RELATED LINKS
 
-[Win32_OperatingSystem](/windows/win32/cimwin32prov/win32-operatingsystem#properties)
+[Win32_OperatingSystem class](/windows/win32/cimwin32prov/win32-operatingsystem#properties)