diff --git a/winget-install-and-update.ps1 b/winget-install-and-update.ps1
index 3d0ba7a..f29bb33 100644
--- a/winget-install-and-update.ps1
+++ b/winget-install-and-update.ps1
@@ -1,64 +1,165 @@
-#Create winget-update folder and content structure
-$WingetUpdatePath = "$env:ProgramData\winget-update"
+<#
+.SYNOPSIS
+Configure Winget to daily update installed apps.
+
+.DESCRIPTION
+Install powershell scripts and scheduled task to daily run Winget upgrade and notify connected users.
+Possible to exclude apps from auto-update
+
+.PARAMETER Silent
+Install Winget-AutoUpdate and prerequisites silently
+
+.PARAMETER WingetUpdatePath
+Specify Winget-AutoUpdate installation localtion. Default: C:\ProgramData\winget-update\
+
+.PARAMETER DoNotUpdate
+Do not run Winget-autoupdate after installation. By default, Winget-AutoUpdate is run just after installation.
+
+.EXAMPLE
+.\winget-install-and-update.ps1 -Silent -DoNotUpdate
+#>
+
+[CmdletBinding()]
+param(
+    [Parameter(Mandatory=$False)] [Alias('S')] [Switch] $Silent = $false,
+    [Parameter(Mandatory=$False)] [Alias('Path')] [String] $WingetUpdatePath = "$env:ProgramData\winget-update",
+    [Parameter(Mandatory=$False)] [Switch] $DoNotUpdate = $false
+)
+
+<# FUNCTIONS #>
+
+function Check-Prerequisites{
+    #Check if Visual C++ 2019 installed
+    $app = "Microsoft Visual C++*2019*"
+    $path = Get-ChildItem -Path HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall, HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall | Get-ItemProperty | Where-Object {$_.DisplayName -like $app } | Select-Object -Property Displayname, DisplayVersion
+    
+    #If not installed, ask for installation
+    if (!($path)){
+        #If -silent option, force installation
+        if ($Silent){
+            $InstallApp = "y"
+        }
+        else{
+            #Ask for installation
+            while("y","n" -notcontains $InstallApp){
+	            $InstallApp = Read-Host "[Prerequisite for Winget] Microsoft Visual C++ 2019 is not installed. Would you like to install it? [Y/N]"
+            }
+        }
+        if ($InstallApp -eq "y"){
+            try{
+                if((Get-CimInStance Win32_OperatingSystem).OSArchitecture -like "*64*"){
+                    $OSArch = "x64"
+                }
+                else{
+                    $OSArch = "x86"
+                }
+                Write-host "Downloading VC_redist.$OSArch.exe..."
+                $SourceURL = "https://aka.ms/vs/16/release/VC_redist.$OSArch.exe"
+                $Installer = $WingetUpdatePath + "\VC_redist.$OSArch.exe"
+                Invoke-WebRequest $SourceURL -OutFile $Installer
+                Write-host "Installing VC_redist.$OSArch.exe..."
+                Start-Process -FilePath $Installer -Args "-q" -Wait
+                Remove-Item $Installer -ErrorAction Ignore
+                Write-host "MS Visual C++ 2015-2019 installed successfully" -ForegroundColor Green
+            }
+            catch{
+                Write-host "MS Visual C++ 2015-2019 installation failed." -ForegroundColor Red
+                Start-Sleep 3
+            }
+        }
+    }
+    else{
+        Write-Host "Prerequisites checked. OK" -ForegroundColor Green
+    }
+}
+
+function Install-WingetAutoUpdate{
+    try{
+        #Copy files to location
+        if (!(Test-Path $WingetUpdatePath)){
+            New-Item -ItemType Directory -Force -Path $WingetUpdatePath
+        }
+        Copy-Item -Path "$PSScriptRoot\winget-update\*" -Destination $WingetUpdatePath -Recurse -Force -ErrorAction SilentlyContinue
+        Copy-Item -Path "$PSScriptRoot\excluded_apps.txt" -Destination $WingetUpdatePath -Recurse -Force -ErrorAction SilentlyContinue
+
+        # Set dummy regkeys for notification name and icon
+        & reg add "HKCR\AppUserModelId\Windows.SystemToast.Winget.Notification" /v DisplayName /t REG_EXPAND_SZ /d "Application Update" /f | Out-Null
+        & reg add "HKCR\AppUserModelId\Windows.SystemToast.Winget.Notification" /v IconUri /t REG_EXPAND_SZ /d %SystemRoot%\system32\@WindowsUpdateToastIcon.png /f | Out-Null
+
+        # Settings for the scheduled task for Updates
+        $taskAction = New-ScheduledTaskAction –Execute "powershell.exe" -Argument "-ExecutionPolicy Bypass -File `"$($WingetUpdatePath)\winget-upgrade.ps1`""
+        $taskTrigger1 = New-ScheduledTaskTrigger -AtLogOn
+        $taskTrigger2 = New-ScheduledTaskTrigger  -Daily -At 6AM
+        $taskUserPrincipal = New-ScheduledTaskPrincipal -UserId S-1-5-18 -RunLevel Highest
+        $taskSettings = New-ScheduledTaskSettingsSet -Compatibility Win8 -StartWhenAvailable -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit 03:00:00
+
+        # Set up the task, and register it
+        $task = New-ScheduledTask -Action $taskAction -Principal $taskUserPrincipal -Settings $taskSettings -Trigger $taskTrigger2,$taskTrigger1
+        Register-ScheduledTask -TaskName 'Winget Update' -InputObject $task -Force
+
+        # Settings for the scheduled task for Notifications
+        $taskAction = New-ScheduledTaskAction –Execute "wscript.exe" -Argument "`"$($WingetUpdatePath)\Invisible.vbs`" `"powershell.exe -ExecutionPolicy Bypass -File `"`"`"$($WingetUpdatePath)\winget-notify.ps1`"`""
+        $taskUserPrincipal = New-ScheduledTaskPrincipal -GroupId S-1-5-11
+        $taskSettings = New-ScheduledTaskSettingsSet -Compatibility Win8 -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit 00:05:00
+
+        # Set up the task, and register it
+        $task = New-ScheduledTask -Action $taskAction -Principal $taskUserPrincipal -Settings $taskSettings
+        Register-ScheduledTask -TaskName 'Winget Update Notify' -InputObject $task -Force
+
+        Write-host "`nInstallation succeeded!" -ForegroundColor Green
+        Start-sleep 1
+        
+        #Run Winget ?
+        Start-WingetAutoUpdate
+    }
+    catch{
+        Write-host "`nInstallation failed! Run me with admin rights" -ForegroundColor Red
+        Start-sleep 1
+        return $False
+    }
+}
+
+function Start-WingetAutoUpdate{
+    #If -DoNotUpdate is true, skip.
+    if (!($DoNotUpdate)){
+            #If -Silent, run Winget-AutoUpdate now
+            if ($Silent){
+                $RunWinget = "y"
+            }
+            #Ask for WingetAutoUpdate
+            else{
+                while("y","n" -notcontains $RunWinget){
+	                $RunWinget = Read-Host "Start Winget-AutoUpdate now? [Y/N]"
+                }
+            }
+        if ($RunWinget -eq "y"){
+            try{
+                Write-host "Running Winget-AutoUpdate..." -ForegroundColor Yellow
+                Get-ScheduledTask -TaskName "Winget Update" -ErrorAction SilentlyContinue | Start-ScheduledTask -ErrorAction SilentlyContinue
+            }
+            catch{
+                Write-host "Failed to run Winget-AutoUpdate..." -ForegroundColor Red
+            }
+        }
+    }
+    else{
+        Write-host "Skip running Winget-AutoUpdate"
+    }
+}
+
+
+<# MAIN #>
+
 Write-host "###################################"
 Write-host "#                                 #"
 Write-host "#        Winget AutoUpdate        #"
 Write-host "#                                 #"
-Write-host "################################### `n"
-Write-host "Instaling to $WingetUpdatePath\"
+Write-host "###################################`n"
+Write-host "Installing to $WingetUpdatePath\"
 
-#Check if Visual C++ 2015-2019 is installed. If not, download and install
-$app = "Microsoft Visual C++ 2019 X64*"
-$path = Get-ChildItem -Path HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall, HKLM:\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall | Get-ItemProperty | Where-Object {$_.DisplayName -like $app } | Select-Object -Property Displayname, DisplayVersion
-if (!($path)){
-    Write-host "MS Visual C++ 2015-2019 is not installed."
-    Write-host "Downloading VC_redist.x64.exe..."
-    $SourceURL = "https://aka.ms/vs/16/release/VC_redist.x64.exe"
-    $Installer = $env:TEMP + "\vscode.exe"
-    Invoke-WebRequest $SourceURL -OutFile $Installer
-    Write-host "Installing VC_redist.x64.exe..."
-    Start-Process -FilePath $Installer -Args "-q" -Wait
-    Remove-Item $Installer -ErrorAction SilentlyContinue
-}
+Check-Prerequisites
 
-try{
-    #Copy files to location
-    if (!(Test-Path $WingetUpdatePath)){
-        New-Item -ItemType Directory -Force -Path $WingetUpdatePath
-    }
-    Copy-Item -Path "$PSScriptRoot\winget-update\*" -Destination $WingetUpdatePath -Recurse -Force -ErrorAction SilentlyContinue
-    Copy-Item -Path "$PSScriptRoot\excluded_apps.txt" -Destination $WingetUpdatePath -Recurse -Force -ErrorAction SilentlyContinue
+Install-WingetAutoUpdate
 
-    # Set dummy regkeys for notification name and icon
-    & reg add "HKCR\AppUserModelId\Windows.SystemToast.Winget.Notification" /v DisplayName /t REG_EXPAND_SZ /d "Application Update" /f | Out-Null
-    & reg add "HKCR\AppUserModelId\Windows.SystemToast.Winget.Notification" /v IconUri /t REG_EXPAND_SZ /d %SystemRoot%\system32\@WindowsUpdateToastIcon.png /f | Out-Null
-
-    # Settings for the scheduled task for Updates
-    $taskAction = New-ScheduledTaskAction –Execute "powershell.exe" -Argument "-ExecutionPolicy Bypass -File `"$($WingetUpdatePath)\winget-upgrade.ps1`""
-    $taskTrigger1 = New-ScheduledTaskTrigger -AtLogOn
-    $taskTrigger2 = New-ScheduledTaskTrigger  -Daily -At 6AM
-    $taskUserPrincipal = New-ScheduledTaskPrincipal -UserId S-1-5-18 -RunLevel Highest
-    $taskSettings = New-ScheduledTaskSettingsSet -Compatibility Win8 -StartWhenAvailable -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit 03:00:00
-
-    # Set up the task, and register it
-    $task = New-ScheduledTask -Action $taskAction -Principal $taskUserPrincipal -Settings $taskSettings -Trigger $taskTrigger2,$taskTrigger1
-    Register-ScheduledTask -TaskName 'Winget Update' -InputObject $task -Force
-
-    # Settings for the scheduled task for Notifications
-    $taskAction = New-ScheduledTaskAction –Execute "wscript.exe" -Argument "`"$($WingetUpdatePath)\Invisible.vbs`" `"powershell.exe -ExecutionPolicy Bypass -File `"`"`"$($WingetUpdatePath)\winget-notify.ps1`"`""
-    $taskUserPrincipal = New-ScheduledTaskPrincipal -GroupId S-1-5-11
-    $taskSettings = New-ScheduledTaskSettingsSet -Compatibility Win8 -AllowStartIfOnBatteries -DontStopIfGoingOnBatteries -ExecutionTimeLimit 00:05:00
-
-    # Set up the task, and register it
-    $task = New-ScheduledTask -Action $taskAction -Principal $taskUserPrincipal -Settings $taskSettings
-    Register-ScheduledTask -TaskName 'Winget Update Notify' -InputObject $task -Force
-
-    # Run Winget
-    Get-ScheduledTask -TaskName "Winget Update" -ErrorAction SilentlyContinue | Start-ScheduledTask -ErrorAction SilentlyContinue
-    Write-host "`nInstallation succeeded!" -ForegroundColor Green
-    Start-sleep 5
-}
-catch{
-    Write-host "`nInstallation failed! Run me with admin rights" -ForegroundColor Red
-    Start-sleep 5
-}
+Write-host "End of process."
+Start-Sleep 3
\ No newline at end of file