diff --git a/dist/install/windows/x64/lan.iss b/dist/install/windows/x64/lan.iss
index 6fe76b89..3b4833b4 100644
--- a/dist/install/windows/x64/lan.iss
+++ b/dist/install/windows/x64/lan.iss
@@ -55,16 +55,19 @@ Name: "{autodesktop}\{#MyAppName}"; Filename: "{app}\launcher\ayanova-launcher.e
 Filename: "{app}\launcher\ayanova-launcher.exe"; Description: "{cm:LaunchProgram,{#StringChange(MyAppName, '&', '&&')}}"; Flags: nowait postinstall skipifsilent
 
 [Code]
-procedure CurUninstallStepChanged(CurUninstallStep: TUninstallStep);
+procedure CurStepChanged(CurStep: TSetupStep);
+var
+    ErrCode: integer;
 begin
-  if CurUninstallStep = usPostUninstall then
-  begin
-    if MsgBox('Do you want to delete all AyaNova database and attachment files?', mbConfirmation, MB_YESNO or MB_DEFBUTTON2) = IDYES then   
+    if (CurStep=ssInstall) then
     begin
-      if MsgBox('Are you sure you want to **PERMANENTLY** delete all AyaNova database and attachment files?', mbConfirmation, MB_YESNO or MB_DEFBUTTON2) = IDYES then    
-      begin
-          DelTree(ExpandConstant('{commonappdata}\ayanova'), True, True, True);
-      end;
+        if MsgBox('AyaNova depends on the "ASP.NET Core Runtime Hosting bundle" 6.0.0 or newer.\nOpen the download web page now?', mbConfirmation, MB_YESNO or MB_DEFBUTTON2) = IDYES then   
+        begin
+            ShellExec('open', 'https://dotnet.microsoft.com/download', '', '', SW_SHOW, ewNoWait, ErrCode);
+        end;
+         if MsgBox('AyaNova requires a PostgreSQL db server.\nOpen the PostgreSQL installation instructions web page now?', mbConfirmation, MB_YESNO or MB_DEFBUTTON2) = IDYES then   
+        begin
+            ShellExec('open', 'https://www.postgresqltutorial.com/install-postgresql/', '', '', SW_SHOW, ewNoWait, ErrCode);
+        end;
     end;
-  end;
 end;
diff --git a/docs/8.0/ayanova/docs/ops-install-windows-lan.md b/docs/8.0/ayanova/docs/ops-install-windows-lan.md
index f57c0943..071a7107 100644
--- a/docs/8.0/ayanova/docs/ops-install-windows-lan.md
+++ b/docs/8.0/ayanova/docs/ops-install-windows-lan.md
@@ -2,4 +2,11 @@
 
 
 
-
+ if MsgBox('AyaNova requires ASP.NET Core Runtime "Hosting bundle" 6.0.0 or newer.\nOpen the download web page now?', mbConfirmation, MB_YESNO or MB_DEFBUTTON2) = IDYES then   
+        begin
+            ShellExec('open', 'https://dotnet.microsoft.com/download', '', '', SW_SHOW, ewNoWait, ErrCode);
+        end;
+         if MsgBox('AyaNova requires PostgreSQL db server.\nOpen the PostgreSQL installation instructions web page now?', mbConfirmation, MB_YESNO or MB_DEFBUTTON2) = IDYES then   
+        begin
+            ShellExec('open', 'https://www.postgresqltutorial.com/install-postgresql/', '', '', SW_SHOW, ewNoWait, ErrCode);
+        end;