Dyn365OClientPrereq.ps1

#This is a script to automatically download and create the folders for the residtributables needed to install CRM 2016. 
#V1.0.0

do{[int]$bitness = Read-Host "What bitness the installed version of Office e.g. 32,64"}
while(!($bitness -eq 32) -xor ($bitness -eq 64))


Add-Type -AssemblyName System.Windows.Forms
#get the source DIR.
$SourceDIRDLG = New-Object Windows.Forms.FolderBrowserDialog
$SourceDIRDLG.Description = "Select the download folder"
$SourceDIRDLG.ShowNewFolderButton = $true
if($SourceDIRDLG.ShowDialog() -ne 'OK') {throw "process stopped by user"}

$dirs = "dotNETFX","ReportViewer","SQLCE","SQLExpr","SQLExprRequiredSp","VCRedist","VCRedist10","WindowsIdentityFoundation","SQLSystemCLRTypes"
foreach($dir in $dirs)
{
    
    mkdir "$($SourceDIRDLG.SelectedPath)\$dir"
    switch ($dir)
    {
        'dotNETFX' {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=328855 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\NDP452-KB2901907-x86-x64-AllOS-ENU.exe" }
        'ReportViewer' {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=390736 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\ReportViewer.msi" }
        'SQLCE' {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=253118 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\SSCERuntime_x64-ENU.exe"
                Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=253117 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\SSCERuntime_x86-ENU.exe"
                }
        'SQLExpr' {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=403076 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\SQLEXPR_x86_ENU.exe"}
        'SQLExprRequiredSp' {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=403077 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\SQLEXPR_x86_ENU.exe"}
        'VCRedist' {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=402059 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\vcredist_x64.exe"
                    Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=402042 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\vcredist_x86.exe"
                    }
        'VCRedist10' {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=404264 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\vcredist_x64.exe"
                    Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=404261 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\vcredist_x86.exe"
                    }
        'WindowsIdentityFoundation' {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=190780 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\Windows6.1-KB974405-x64.msu"
                        Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=190781 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\Windows6.1-KB974405-x86.msu"
                        }
        'SQLSystemCLRTypes' {
                                if($bitness -eq 64) { Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkID=188392 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\SQLSysClrTypes_x64.msi"}
                                elseif($bitness -eq 32) {Invoke-WebRequest http://go.microsoft.com/fwlink/p/?LinkId=390735 -OutFile "$($SourceDIRDLG.SelectedPath)\$dir\SQLSysClrTypes_x86.msi"}
                                }
    }
}