diff --git a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
index 3a7cbc4429..1577442ede 100644
--- a/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
+++ b/src/Umbraco.Web.UI/Umbraco.Web.UI.csproj
@@ -492,6 +492,7 @@
     <Content Include="Umbraco\Config\Lang\tr.xml" />
     <Content Include="Umbraco\Config\Lang\zh_tw.xml" />
     <Content Include="Umbraco\create.aspx" />
+    <Content Include="Umbraco\Developer\Packages\installer.aspx" />
     <Content Include="Umbraco\Logout.aspx" />
     <Content Include="Umbraco\umbraco.aspx" />
     <Content Include="Umbraco_Client\Application\JQuery\jquery.unobtrusive-ajax.min.js" />
diff --git a/src/Umbraco.Web.UI/Umbraco/developer/Packages/installer.aspx b/src/Umbraco.Web.UI/Umbraco/developer/Packages/installer.aspx
new file mode 100644
index 0000000000..37dca8400e
--- /dev/null
+++ b/src/Umbraco.Web.UI/Umbraco/developer/Packages/installer.aspx
@@ -0,0 +1,10 @@
+<%@ Page Language="c#" MasterPageFile="../../masterpages/umbracoPage.Master"
+AutoEventWireup="True" Inherits="umbraco.presentation.developer.packages.Installer" Trace="false" ValidateRequest="false" %>
+<%@ Register TagPrefix="cc1" Namespace="umbraco.uicontrols" Assembly="controls" %>
+
+<asp:Content ContentPlaceHolderID="body" runat="server">
+    <cc1:UmbracoPanel ID="Panel1" Text="Install package" runat="server" Width="496px" Height="584px">
+        <cc1:Pane ID="pane_installing" runat="server" Visible="false" Text=""></cc1:Pane>
+        <cc1:Pane ID="pane_optional" runat="server" Visible="false" />
+    </cc1:UmbracoPanel>
+</asp:Content>
diff --git a/src/Umbraco.Web/Umbraco.Web.csproj b/src/Umbraco.Web/Umbraco.Web.csproj
index c9ad24d4a1..a38d30f498 100644
--- a/src/Umbraco.Web/Umbraco.Web.csproj
+++ b/src/Umbraco.Web/Umbraco.Web.csproj
@@ -541,6 +541,9 @@
     <Compile Include="Trees\XsltTreeController.cs" />
     <Compile Include="umbraco.presentation\SafeXmlReaderWriter.cs" />
     <Compile Include="Trees\ScriptTreeController.cs" />
+    <Compile Include="umbraco.presentation\umbraco\developer\Packages\installer.aspx.cs">
+      <SubType>ASPXCodeBehind</SubType>
+    </Compile>
     <Compile Include="UmbracoDefaultOwinStartup.cs" />
     <Compile Include="IUmbracoContextAccessor.cs" />
     <Compile Include="Models\ContentEditing\Relation.cs" />
diff --git a/src/Umbraco.Web/umbraco.presentation/umbraco/developer/Packages/installer.aspx.cs b/src/Umbraco.Web/umbraco.presentation/umbraco/developer/Packages/installer.aspx.cs
new file mode 100644
index 0000000000..ba02edbf9c
--- /dev/null
+++ b/src/Umbraco.Web/umbraco.presentation/umbraco/developer/Packages/installer.aspx.cs
@@ -0,0 +1,101 @@
+using System;
+using System.Web.UI;
+using umbraco.BasePages;
+using umbraco.BusinessLogic;
+using umbraco.cms.presentation.Trees;
+using Umbraco.Core;
+using Umbraco.Core.IO;
+using Umbraco.Core.Logging;
+using Umbraco.Web;
+
+namespace umbraco.presentation.developer.packages
+{
+    /// <summary>	
+    /// Summary description for packager.	
+    /// </summary>	
+    [Obsolete("This should not be used and will be removed in v8, this is kept here only for backwards compat reasons, this page should never be rendered/used")]
+    public class Installer : UmbracoEnsuredPage
+    {
+
+        private Control _configControl;
+        private readonly cms.businesslogic.packager.Installer _installer;
+        protected uicontrols.Pane pane_installing;
+        protected uicontrols.Pane pane_optional;
+
+        public Installer()
+        {
+            CurrentApp = DefaultApps.developer.ToString();
+            _installer = new cms.businesslogic.packager.Installer(UmbracoUser.Id);
+        }
+
+        protected void Page_Load(object sender, EventArgs e)
+        {
+            if (string.IsNullOrEmpty(Request.GetItemAsString("installing")))
+                return;
+
+            pane_optional.Visible = false;
+            pane_installing.Visible = true;
+            ProcessInstall(Request.GetItemAsString("installing"));
+        }
+
+        private void ProcessInstall(string currentStep)
+        {
+            var dir = Request.GetItemAsString("dir");
+
+            int.TryParse(Request.GetItemAsString("pId"), out var packageId);
+
+            switch (currentStep.ToLowerInvariant())
+            {
+                case "custominstaller":
+                    var customControl = Request.GetItemAsString("customControl");
+
+                    if (customControl.IsNullOrWhiteSpace() == false)
+                    {
+                        pane_optional.Visible = false;
+
+                        _configControl = LoadControl(SystemDirectories.Root + customControl);
+                        _configControl.ID = "packagerConfigControl";
+
+                        pane_optional.Controls.Add(_configControl);
+                        pane_optional.Visible = true;
+
+                        if (IsPostBack == false)
+                        {
+                            //We still need to clean everything up which is normally done in the Finished Action
+                            PerformPostInstallCleanup(packageId, dir);
+                        }
+
+                    }
+                    else
+                    {
+                        //if the custom installer control is empty here (though it should never be because we've already checked for it previously)
+                        //then we should run the normal FinishedAction
+                        PerformFinishedAction(packageId, dir);
+                    }
+                    break;
+                default:
+                    break;
+            }
+        }
+
+        private void PerformPostInstallCleanup(int packageId, string dir)
+        {
+            _installer.InstallCleanUp(packageId, dir);
+
+            // Update ClientDependency version
+            var clientDependencyConfig = new Umbraco.Core.Configuration.ClientDependencyConfiguration(LoggerResolver.Current.Logger);
+            clientDependencyConfig.IncreaseVersionNumber();
+
+            //clear the tree cache - we'll do this here even though the browser will reload, but just in case it doesn't can't hurt.
+            ClientTools.ClearClientTreeCache().RefreshTree("packager");
+            TreeDefinitionCollection.Instance.ReRegisterTrees();
+            BusinessLogic.Actions.Action.ReRegisterActionsAndHandlers();
+        }
+
+        private void PerformFinishedAction(int packageId, string dir)
+        {
+            pane_optional.Visible = false;
+            PerformPostInstallCleanup(packageId, dir);
+        }
+    }
+}