diff --git a/conf/Microsoft.PowerShell_profile.ps1 b/conf/Microsoft.PowerShell_profile.ps1
index 8d7410a..c69baa5 100644
--- a/conf/Microsoft.PowerShell_profile.ps1
+++ b/conf/Microsoft.PowerShell_profile.ps1
@@ -3,3 +3,7 @@
 Set-Alias ps Get-Process
 Set-Alias kill Stop-Process
 
+function uptime() {
+    ((Get-Date) - (gcim Win32_OperatingSystem).LastBootUpTime)
+}
+