diff --git a/packaging/windows/farmcontrol.nsi b/packaging/windows/farmcontrol.nsi
index 2bbd8c6..2b8d1f6 100644
--- a/packaging/windows/farmcontrol.nsi
+++ b/packaging/windows/farmcontrol.nsi
@@ -67,7 +67,7 @@ Function .onInit
   !insertmacro progressPhase "Starting installation"
   !insertmacro progressStatus "Starting Farm Control installation..."
   !insertmacro progressCopyTotal "${APP_COPY_TOTAL_BYTES}"
-  !insertmacro progressPercent 0
+  !insertmacro progressStart
 
   ; In-app updates install into Farm Control.new while the running process
   ; keeps using Farm Control; the folders are swapped after exit (/RESTARTFC).
@@ -78,6 +78,8 @@ Function .onInit
     StrCpy $FinalInstDir $INSTDIR
     !insertmacro uninstallPreviousFarmControl
   ${EndIf}
+
+  !insertmacro progressPrepare
 FunctionEnd
 
 Function .onInstFailed
@@ -93,17 +95,17 @@ Section "Farm Control" SecMain
 
   !insertmacro progressPhase "Copying application files"
   !insertmacro progressStatus "Copying application files..."
-  !insertmacro progressPercent 0
+  !insertmacro progressCopyStart
 
   SetOverwrite try
   !insertmacro copyApplicationFilesWithProgress
 
-  !insertmacro progressPercent 75
+  !insertmacro progressCopyComplete
   !insertmacro customInstall
 
+  !insertmacro progressFinalizeInstall
   !insertmacro progressPhase "Finalizing installation"
-  !insertmacro progressStatus "Writing uninstall information..."
-  !insertmacro progressPercent 90
+  !insertmacro progressStatus "Writing installation registry entries..."
 
   WriteRegStr HKCU "Software\Tom Butcher\Farm Control" "InstallDir" $FinalInstDir
   WriteRegStr HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\Farm Control" \
@@ -119,8 +121,14 @@ Section "Farm Control" SecMain
   WriteRegDWORD HKCU "Software\Microsoft\Windows\CurrentVersion\Uninstall\Farm Control" \
     "NoRepair" 1
 
+  !insertmacro progressWriteUninstaller
+  !insertmacro progressStatus "Writing uninstall information..."
+
   WriteUninstaller "$INSTDIR\Uninstall.exe"
 
+  !insertmacro progressFinalize
+
+
   ; For in-app updates (/RESTARTFC) the success signal is emitted from
   ; restartFarmControlAfterUpdate, right before the install directory swap,
   ; so the running app quits while this installer stays alive.
diff --git a/packaging/windows/installer.nsh b/packaging/windows/installer.nsh
index 57d5d10..4e273ea 100644
--- a/packaging/windows/installer.nsh
+++ b/packaging/windows/installer.nsh
@@ -95,10 +95,56 @@ Var UpdateParentPid
   ${EndIf}
 !macroend
 
+!define PROGRESS_START 1
+!define PREPARE_PROGRESS 3
+!define COPY_PROGRESS_START 5
+!define COPY_PROGRESS_END 90
+!define CONFIGURE_PROGRESS 91
+!define SHORTCUTS_PROGRESS 93
+!define FINALIZE_PROGRESS 95
+!define UNINSTALLER_PROGRESS 97
+!define COMPLETE_PROGRESS 99
+
 !macro progressPercent percent
   !insertmacro progressLog "installer:%${percent}"
 !macroend
 
+!macro progressStart
+  !insertmacro progressPercent "${PROGRESS_START}"
+!macroend
+
+!macro progressPrepare
+  !insertmacro progressPercent "${PREPARE_PROGRESS}"
+!macroend
+
+!macro progressCopyStart
+  !insertmacro progressPercent "${COPY_PROGRESS_START}"
+!macroend
+
+!macro progressCopyComplete
+  !insertmacro progressPercent "${COPY_PROGRESS_END}"
+!macroend
+
+!macro progressConfigure
+  !insertmacro progressPercent "${CONFIGURE_PROGRESS}"
+!macroend
+
+!macro progressShortcuts
+  !insertmacro progressPercent "${SHORTCUTS_PROGRESS}"
+!macroend
+
+!macro progressFinalizeInstall
+  !insertmacro progressPercent "${FINALIZE_PROGRESS}"
+!macroend
+
+!macro progressWriteUninstaller
+  !insertmacro progressPercent "${UNINSTALLER_PROGRESS}"
+!macroend
+
+!macro progressFinalize
+  !insertmacro progressPercent "${COMPLETE_PROGRESS}"
+!macroend
+
 !macro progressPhase phase
   !insertmacro progressLog "installer:PHASE:${phase}"
 !macroend
@@ -302,6 +348,7 @@ Var UpdateParentPid
 !macroend
 
 !macro customInstall
+  !insertmacro progressConfigure
   !insertmacro progressPhase "Configuring Farm Control"
   !insertmacro progressStatus "Registering farmcontrol URI handler..."
   DetailPrint "Register farmcontrol URI Handler"
@@ -313,6 +360,7 @@ Var UpdateParentPid
   WriteRegStr HKCU "Software\Classes\farmcontrol\shell\Open" "" ""
   WriteRegStr HKCU "Software\Classes\farmcontrol\shell\Open\command" "" '"$FinalInstDir\bin\bun.exe" "$FinalInstDir\bin\deeplink.js" "%1"'
 
+  !insertmacro progressShortcuts
   !insertmacro progressStatus "Creating shortcuts..."
   DetailPrint "Creating shortcuts"
   !insertmacro createDesktopShortcut
diff --git a/src/desktop/winappupdate.js b/src/desktop/winappupdate.js
index d62da27..e725fe2 100644
--- a/src/desktop/winappupdate.js
+++ b/src/desktop/winappupdate.js
@@ -4,7 +4,9 @@ import os from 'os'
 import path from 'path'
 
 const PE_MZ_HEADER = Buffer.from([0x4d, 0x5a]) // "MZ"
-const COPY_PROGRESS_PERCENT = 75
+const COPY_PROGRESS_START = 5
+const COPY_PROGRESS_END = 90
+const COPY_PROGRESS_RANGE = COPY_PROGRESS_END - COPY_PROGRESS_START
 
 const sleep = (ms) => new Promise((resolve) => setTimeout(resolve, ms))
 
@@ -54,8 +56,11 @@ const parseWindowsInstallerProgress = (output) => {
           copiedBytes += fileBytes
           if (copyTotalBytes > 0) {
             percent = Math.min(
-              COPY_PROGRESS_PERCENT,
-              Math.round((copiedBytes / copyTotalBytes) * COPY_PROGRESS_PERCENT)
+              COPY_PROGRESS_END,
+              COPY_PROGRESS_START +
+                Math.round(
+                  (copiedBytes / copyTotalBytes) * COPY_PROGRESS_RANGE
+                )
             )
           }
         }