another attempt with nsis..

.github/workflows/build_server_nsis.yml

@@ -31,7 +31,7 @@ jobs:
         uses: joncloud/makensis-action@v4
         with:
           script-file: "freedata-server-nsis-config.nsi"
-          arguments: "/V3"
+          arguments: '/DGITHUB_WORKSPACE="${{ $GITHUB_WORKSPACE }}" /V3'
 
       - name: LIST ALL FILES
         run: ls -R

freedata-server-nsis-config.nsi

@@ -15,13 +15,18 @@ ShowInstDetails show
 ; Show uninstallation details
 ShowUninstDetails show
 
+; Define GITHUB location
+!define GITHUB_WORKSPACE
+
+
+
 Section "MainSection" SEC01
 
   ; Set the output path to the installation directory
   SetOutPath $INSTDIR
 
   ; Add the entire FreeData Server directory
-  File /r "server.dist/*.*"
+  File /r ""${GITHUB_WORKSPACE}\modem\server.dist\*.*"
 
   ; Write the installation path to the registry
   WriteRegStr HKCU "Software\FreeDataServer" "Install_Dir" "$INSTDIR"