update scripts to ps7

Author: derisen

2-WebApp-graph-user/2-6-BFF-Proxy/AppCreationScripts/AppCreationScripts.md

@@ -4,13 +4,6 @@
 
 ### Quick summary
 
-1. On Windows, run PowerShell as **Administrator** and navigate to the root of the cloned directory
-1. In PowerShell run:
-
-   ```PowerShell
-   Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process -Force
-   ```
-
 1. Run the script to create your Azure AD application and configure the code of the sample application accordingly.
 
    ```PowerShell
@@ -59,28 +52,23 @@ The `Configure.ps1` will stop if it tries to create an Azure AD application whic
 
 ### Pre-requisites
 
+1. PowerShell 7 or later (see: [installing PowerShell](https://learn.microsoft.com/en-us/powershell/scripting/install/installing-powershell))
 1. Open PowerShell (On Windows, press  `Windows-R` and type `PowerShell` in the search window)
-1. Navigate to the root directory of the project.
-1. Until you change it, the default [Execution Policy](https:/go.microsoft.com/fwlink/?LinkID=135170) for scripts is usually `Restricted`. In order to run the PowerShell script you need to set the Execution Policy to `RemoteSigned`. You can set this just for the current PowerShell process by running the command:
-
-    ```PowerShell
-    Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process
-    ```
 
 ### (Optionally) install Microsoft.Graph.Applications PowerShell modules
 
 The scripts install the required PowerShell module (Microsoft.Graph.Applications) for the current user if needed. However, if you want to install if for all users on the machine, you can follow the following steps:
 
 1. If you have never done it already, in the PowerShell window, install the Microsoft.Graph.Applications PowerShell modules. For this:
 
-   1. Open PowerShell as admin (On Windows, Search Powershell in the search bar, right click on it and select **Run as administrator**).
+   1. Open PowerShell
    2. Type:
 
       ```PowerShell
       Install-Module Microsoft.Graph.Applications
       ```
 
-      or if you cannot be administrator on your machine, run:
+      or if you want the modules to be installed for the current user only, run:
 
       ```PowerShell
       Install-Module Microsoft.Graph.Applications -Scope CurrentUser

2-WebApp-graph-user/2-6-BFF-Proxy/AppCreationScripts/Cleanup-WithCertificates.ps1

@@ -1,4 +1,5 @@
-
+#Requires -Version 7
+
 [CmdletBinding()]
 param(    
     [Parameter(Mandatory=$False, HelpMessage='Tenant ID (This is a GUID which represents the "Directory ID" of the AzureAD tenant into which you want to create the apps')]

2-WebApp-graph-user/2-6-BFF-Proxy/AppCreationScripts/Cleanup.ps1

@@ -1,4 +1,5 @@
-
+#Requires -Version 7
+
 [CmdletBinding()]
 param(    
     [Parameter(Mandatory=$False, HelpMessage='Tenant ID (This is a GUID which represents the "Directory ID" of the AzureAD tenant into which you want to create the apps')]

2-WebApp-graph-user/2-6-BFF-Proxy/AppCreationScripts/Configure-WithCertificates.ps1

@@ -1,3 +1,4 @@
+#Requires -Version 7
 
 [CmdletBinding()]
 param(

2-WebApp-graph-user/2-6-BFF-Proxy/AppCreationScripts/Configure.ps1

@@ -1,3 +1,4 @@
+#Requires -Version 7
 
 [CmdletBinding()]
 param(

2-WebApp-graph-user/2-6-BFF-Proxy/README.md

@@ -97,13 +97,7 @@ There is one project in this sample. To register it, you can:
 
     > :warning: If you have never used **Microsoft Graph PowerShell** before, we recommend you go through the [App Creation Scripts Guide](./AppCreationScripts/AppCreationScripts.md) once to ensure that your environment is prepared correctly for this step.
 
-    1. On Windows, run PowerShell as **Administrator** and navigate to the root of the cloned directory
-    1. In PowerShell run:
-
-       ```PowerShell
-       Set-ExecutionPolicy -ExecutionPolicy RemoteSigned -Scope Process -Force
-       ```
-
+    1. Ensure that you have PowerShell 7 or later.
     1. Run the script to create your Azure AD application and configure the code of the sample application accordingly.
     1. For interactive process -in PowerShell, run: