diff --git a/InstallModuleFromGitHub.psd1 b/InstallModuleFromGitHub.psd1
index 43d0e08..cdf315c 100644
--- a/InstallModuleFromGitHub.psd1
+++ b/InstallModuleFromGitHub.psd1
@@ -4,7 +4,7 @@
     RootModule        = 'InstallModuleFromGitHub.psm1'
 
     # Version number of this module.
-    ModuleVersion     = '1.5.0'
+    ModuleVersion     = '1.5.1'
 
     # ID used to uniquely identify this module
     GUID              = '2997e240-5cec-4543-a231-573576b78c88'
diff --git a/InstallModuleFromGitHub.psm1 b/InstallModuleFromGitHub.psm1
index ea15d76..0eb0219 100644
--- a/InstallModuleFromGitHub.psm1
+++ b/InstallModuleFromGitHub.psm1
@@ -1,106 +1,144 @@
-function Install-ModuleFromGitHub {
+function Install-ModuleFromGitHub
+{
     [CmdletBinding()]
     param(
         $GitHubRepo,
-        $Branch = "master",
+        $Branch = 'master',
         [Parameter(ValueFromPipelineByPropertyName)]
         $ProjectUri,
         $DestinationPath,
         $SSOToken,
-        $moduleName,
-        $Scope
+        $ModuleName,
+        [ValidateSet('CurrentUser', 'AllUsers')]
+        [string] $Scope = 'AllUsers'
     )
 
-    Process {
-        if($PSBoundParameters.ContainsKey("ProjectUri")) {
+    Process
+    {
+        if($PSBoundParameters.ContainsKey('ProjectUri'))
+        {
             $GitHubRepo = $null
-            if($ProjectUri.OriginalString.StartsWith("https://github.com")) {
+            if($ProjectUri.OriginalString.StartsWith('https://github.com'))
+            {
                 $GitHubRepo = $ProjectUri.AbsolutePath
-            } else {
-                $name=$ProjectUri.LocalPath.split('/')[-1]
-                Write-Host -ForegroundColor Red ("Module [{0}]: not installed, it is not hosted on GitHub " -f $name)
+            }
+            else
+            {
+                $Name = $ProjectUri.LocalPath.split('/')[-1]
+                Write-Host -ForegroundColor Red ('Module [{0}]: not installed, it is not hosted on GitHub ' -f $Name)
             }
         }
 
-        if($GitHubRepo) {
-                Write-Verbose ("[$(Get-Date)] Retrieving {0} {1}" -f $GitHubRepo, $Branch)
+        if($GitHubRepo)
+        {
+            Write-Verbose ("[$(Get-Date)] Retrieving {0} {1}" -f $GitHubRepo, $Branch)
 
-                $url = "https://api.github.com/repos/{0}/zipball/{1}" -f $GitHubRepo, $Branch
+            $url = 'https://api.github.com/repos/{0}/zipball/{1}' -f $GitHubRepo, $Branch
 
-                if ($moduleName) {
-                    $targetModuleName = $moduleName
-                } else {
-                    $targetModuleName=$GitHubRepo.split('/')[-1]
-                }
-                Write-Debug "targetModuleName: $targetModuleName"
+            if ($ModuleName)
+            {
+                $targetModuleName = $ModuleName
+            }
+            else
+            {
+                $targetModuleName = $GitHubRepo.split('/')[-1]
+            }
+            Write-Debug "targetModuleName: $targetModuleName"
+
+            $tmpDir = [System.IO.Path]::GetTempPath()
 
-                $tmpDir = [System.IO.Path]::GetTempPath()
+            $OutFile = Join-Path -Path $tmpDir -ChildPath "$($targetModuleName).zip"
+            Write-Debug "OutFile: $OutFile"
 
-                $OutFile = Join-Path -Path $tmpDir -ChildPath "$($targetModuleName).zip"
-                Write-Debug "OutFile: $OutFile"
+            if ($SSOToken)
+            {
+                $headers = @{'Authorization' = "token $SSOToken" }
+            }
 
-                if ($SSOToken) {$headers = @{"Authorization" = "token $SSOToken" }}
+            #enable TLS1.2 encryption
+            if (-not ($IsLinux -or $IsMacOS))
+            {
+                [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+            }
+            Invoke-RestMethod $url -OutFile $OutFile -Headers $headers
+            if (-not ([System.Environment]::OSVersion.Platform -eq 'Unix'))
+            {
+                Unblock-File $OutFile
+            }
 
-                #enable TLS1.2 encryption
-                if (-not ($IsLinux -or $IsMacOS)) {
-                    [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
+            $fileHash = $(Get-FileHash -Path $OutFile).hash
+            $tmpDir = "$tmpDir/$fileHash"
+            Expand-Archive -Path $OutFile -DestinationPath $tmpDir -Force
+
+            $unzippedArchive = Get-ChildItem "$tmpDir"
+            Write-Debug "targetModule: $targetModule"
+            if($IsLinux -or $IsMacOS)
+            {
+                if ($Scope -eq 'CurrentUser')
+                {
+                    $DestinationPath = Join-Path -Path $HOME -ChildPath '.local/share/powershell/Modules'
                 }
-                Invoke-RestMethod $url -OutFile $OutFile -Headers $headers
-                if (-not ([System.Environment]::OSVersion.Platform -eq "Unix")) {
-                  Unblock-File $OutFile
+                else
+                {
+                    $DestinationPath = '/usr/local/share/powershell/Modules'
                 }
-
-                $fileHash = $(Get-FileHash -Path $OutFile).hash
-                $tmpDir = "$tmpDir/$fileHash"
-
-                Expand-Archive -Path $OutFile -DestinationPath $tmpDir -Force
-
-                $unzippedArchive = get-childItem "$tmpDir"
-                Write-Debug "targetModule: $targetModule"
-
-                if ([System.Environment]::OSVersion.Platform -eq "Unix") {
-                    if ($Scope = "CurrentUser") {
-                        $dest = Join-Path -Path $HOME -ChildPath ".local/share/powershell/Modules"
-                    } else {
-                        $dest = "/usr/local/share/powershell/Modules"
+            }
+            else
+            {
+                switch ($Scope)
+                {
+                    'CurrentUser'
+                    {
+                        $DestinationPath = "$([Environment]::GetFolderPath('MyDocuments'))\WindowsPowerShell\Modules"
                     }
-                }
-
-                else {
-                    if ($Scope = "CurrentUser") {
-                        $scopedPath = $HOME
-                        $scopedChildPath = "\Documents\PowerShell\Modules"
-                    } else {
-                        $scopedPath = $env:ProgramFiles
-                        $scopedChildPath = "\PowerShell\Modules"
+                    'AllUsers'
+                    {
+                        $DestinationPath = "$($env:ProgramFiles)\WindowsPowerShell\Modules"
                     }
-                  $dest = Join-Path -Path $scopedPath -ChildPath $scopedChildPath
                 }
+            }
+            $DestinationPath = Join-Path -Path $DestinationPath -ChildPath $targetModuleName
+            Write-Verbose "The module will be saved to '$DestinationPath'."
+            if($IsLinux -or $IsMacOS)
+            {
+                $psd1 = Get-ChildItem (Join-Path -Path $unzippedArchive -ChildPath *) -Include *.psd1 -Recurse
+            }
+            else
+            {
+                $psd1 = Get-ChildItem (Join-Path -Path $tmpDir -ChildPath $unzippedArchive) -Include *.psd1 -Recurse
+            }
 
-                if($DestinationPath) {
-                    $dest = $DestinationPath
+            if($psd1)
+            {
+                $ModuleVersion = (Get-Content -Raw $psd1.FullName | Invoke-Expression).ModuleVersion
+                $DestinationPath = Join-Path -Path $DestinationPath -ChildPath $ModuleVersion
+                try
+                {
+                    $null = New-Item -ItemType directory -Path $DestinationPath -Force -ErrorAction Stop
                 }
-                $dest = Join-Path -Path $dest -ChildPath $targetModuleName
-                if ([System.Environment]::OSVersion.Platform -eq "Unix") {
-                    $psd1 = Get-ChildItem (Join-Path -Path $unzippedArchive -ChildPath *) -Include *.psd1 -Recurse
-                } else {
-                    $psd1 = Get-ChildItem (Join-Path -Path $tmpDir -ChildPath $unzippedArchive) -Include *.psd1 -Recurse
-                } 
-
-                if($psd1) {
-                    $ModuleVersion=(Get-Content -Raw $psd1.FullName | Invoke-Expression).ModuleVersion
-                    $dest = Join-Path -Path $dest -ChildPath $ModuleVersion
-                    $null = New-Item -ItemType directory -Path $dest -Force
+                catch
+                {
+                    Write-Error "Unable to create the folder '$DestinationPath'. Try again running as Administrator."
+                    break
                 }
+            }
 
-                if ([System.Environment]::OSVersion.Platform -eq "Unix") {
-                    $null = Copy-Item "$(Join-Path -Path $unzippedArchive -ChildPath *)" $dest -Force -Recurse
-                } else {
-                    $null = Copy-Item "$(Join-Path -Path $tmpDir -ChildPath $unzippedArchive\*)" $dest -Force -Recurse
+            if($IsLinux -or $IsMacOS)
+            {
+                $null = Copy-Item "$(Join-Path -Path $unzippedArchive -ChildPath *)" $DestinationPath -Force -Recurse
+            }
+            else
+            {
+                try
+                {
+                    $null = Copy-Item "$(Join-Path -Path $tmpDir -ChildPath $unzippedArchive\*)" $DestinationPath -Force -Recurse -ErrorAction Stop
                 }
+                catch
+                {
+                    Write-Output 'Unable to copy files.'
+                    break
+                }
+            }
         }
     }
-}
-
-# Install-ModuleFromGitHub dfinke/nameit
-# Install-ModuleFromGitHub dfinke/nameit TestBranch
+}
\ No newline at end of file