docs(first-steps): refactor and relocated pages

Author: attilaantal

getting-started/first-steps-nuget.md renamed to getting-started/installation/install-from-nuget.md

@@ -1,15 +1,16 @@
 ---
-title: First Steps with NuGet
+title: Install from NuGet
 page_title: First Steps with NuGet Installation
 description: "Get started with Telerik UI for ASP.NET AJAX and learn how to install the controls from a NuGet package, and then build and run a sample application."
-slug: introduction/installation/installing-the-telerik-controls-from-a-nuget-package
-previous_url: installation/installing-the-telerik-controls-from-nuget-package
+slug: getting-started/installation/install-from-nuget
+previous_url: installation/installing-the-telerik-controls-from-nuget-package,getting-started/first-steps-nuget
 tags: installing, telerik, controls, nuget, package
 published: True
-position: 3
+position: 2
 ---
 
-# First Steps by Installing from a NuGet Package
+# Installing Telerik UI for ASP.NET AJAX from NuGet Feed
+
 
 [NuGet](https://www.nuget.org/) is a popular .NET package manager. Progress maintains the Telerik NuGet Feed for registered users and you can include the Telerik UI for ASP.NET AJAX suite in your project as well as update to the latest available version from there. Installing the Telerik UI for ASP.NET AJAX library with NuGet works both for Windows and MacOS machines.
 

getting-started/first-steps-zip.md renamed to getting-started/installation/install-from-zip.md

@@ -1,15 +1,15 @@
 ---
-title: First Steps with ZIP
+title: Install from ZIP
 page_title: First Steps with ZIP Installation
 description: "Get started with Telerik UI for ASP.NET AJAX and learn how to install the controls from a ZIP file, and then build and run a sample application."
-slug: introduction/installation/installing-the-telerik-controls-from-zip-file
-previous_url: installation/installing-the-telerik-controls-from-zip-file
+slug: getting-started/installation/install-from-zip
+previous_url: installation/installing-the-telerik-controls-from-zip-file,getting-started/first-steps-zip
 tags: installing, telerik, controls, from, zip, file
 published: True
-position: 2
+position: 3
 ---
 
-# First Steps by Installing with a ZIP File
+# Installing Telerik UI for ASP.NET AJAX from the ZIP Contents
 
 The Telerik UI for ASP.NET AJAX library provides an option for installing its controls by downloading and executing the ZIP file, which contains the suite.  
 

getting-started/first-steps-msi.md renamed to getting-started/installation/install-using-msi.md

@@ -1,15 +1,15 @@
 ---
-title: First Steps with MSI
+title: Install using MSI
 page_title: First Steps with MSI Installation
 description: "Get started with Telerik UI for ASP.NET AJAX and learn how to install the controls from an MSI file, and then build and run a sample application."
-slug: introduction/installation/installing-the-telerik-controls-from-msi-file
-previous_url: installation/installing-the-telerik-controls-from-msi-file, getting-started/first-steps
+slug: getting-started/installation/install-using-msi
+previous_url: installation/installing-the-telerik-controls-from-msi-file, getting-started/first-steps, getting-started/first-steps-msi
 tags: installing, telerik, controls, msi, file
 published: True
 position: 1
 ---
 
-# First Steps by Installing with an MSI File
+# Installing Telerik UI for ASP.NET AJAX using an MSI Installer File
 
 The Telerik UI for ASP.NET AJAX library provides an option for installing its controls by downloading and executing the MSI file, which contains the suite.