diff --git a/src/chocolatey.resources/helpers/functions/Get-ChocolateyWebFile.ps1 b/src/chocolatey.resources/helpers/functions/Get-ChocolateyWebFile.ps1
index 772761eae9..c0e21733b5 100644
--- a/src/chocolatey.resources/helpers/functions/Get-ChocolateyWebFile.ps1
+++ b/src/chocolatey.resources/helpers/functions/Get-ChocolateyWebFile.ps1
@@ -134,6 +134,9 @@ from the url resource.
 OPTIONAL switch to force download of file every time, even if the file
 already exists.
 
+.PARAMETER Credentials
+OPTIONAL A System.Net.ICredentials-Object that can be used for downloading files from a server which requires user authentication.
+
 .PARAMETER IgnoredArguments
 Allows splatting with arguments that do not apply. Do not use directly.
 
@@ -198,6 +201,7 @@ Get-FtpFile
         [parameter(Mandatory = $false)][hashtable] $options = @{Headers = @{} },
         [parameter(Mandatory = $false)][switch] $getOriginalFileName,
         [parameter(Mandatory = $false)][switch] $forceDownload,
+        [parameter(Mandatory = $false)][System.Net.ICredentials] $credentials = $null,
         [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
     )
 
@@ -287,7 +291,7 @@ Get-FtpFile
     if ($url.StartsWith('http:')) {
         try {
             $httpsUrl = $url.Replace("http://", "https://")
-            Get-WebHeaders -Url $httpsUrl -ErrorAction "Stop" | Out-Null
+            Get-WebHeaders -Url $httpsUrl -Credentials $credentials -ErrorAction "Stop" | Out-Null
             $url = $httpsUrl
             Write-Warning "Url has SSL/TLS available, switching to HTTPS for download"
         }
@@ -301,7 +305,7 @@ Get-FtpFile
             $fileFullPath = $fileFullPath -replace '\\chocolatey\\chocolatey\\', '\chocolatey\'
             $fileDirectory = [System.IO.Path]::GetDirectoryName($fileFullPath)
             $originalFileName = [System.IO.Path]::GetFileName($fileFullPath)
-            $fileFullPath = Get-WebFileName -Url $url -DefaultName $originalFileName
+            $fileFullPath = Get-WebFileName -Url $url -DefaultName $originalFileName -Credentials $credentials
             $fileFullPath = Join-Path $fileDirectory $fileFullPath
             $fileFullPath = [System.IO.Path]::GetFullPath($fileFullPath)
         }
@@ -324,7 +328,7 @@ Get-FtpFile
     $headers = @{}
     if ($url.StartsWith('http')) {
         try {
-            $headers = Get-WebHeaders -Url $url -ErrorAction "Stop"
+            $headers = Get-WebHeaders -Url $url -Credentials $credentials -ErrorAction "Stop"
         }
         catch {
             if ($PSVersionTable.PSVersion -lt (New-Object 'Version' 3, 0)) {
@@ -333,7 +337,7 @@ Get-FtpFile
                 $originalProtocol = [System.Net.ServicePointManager]::SecurityProtocol
                 [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Ssl3
                 try {
-                    $headers = Get-WebHeaders -Url $url -ErrorAction "Stop"
+                    $headers = Get-WebHeaders -Url $url -Credentials $credentials -ErrorAction "Stop"
                 }
                 catch {
                     Write-Host "Attempt to get headers for $url failed.`n  $($_.Exception.Message)"
@@ -369,7 +373,7 @@ Get-FtpFile
         if ($needsDownload) {
             Write-Host "Downloading $packageName $bitPackage
   from `'$url`'"
-            Get-WebFile -Url $url -FileName $fileFullPath -Options $options
+            Get-WebFile -Url $url -FileName $fileFullPath -Options $options -Credentials $credentials
         }
         else {
             Write-Debug "$($packageName)'s requested file has already been downloaded. Using cached copy at
diff --git a/src/chocolatey.resources/helpers/functions/Get-WebFile.ps1 b/src/chocolatey.resources/helpers/functions/Get-WebFile.ps1
index 774a2ede0f..399413e26a 100644
--- a/src/chocolatey.resources/helpers/functions/Get-WebFile.ps1
+++ b/src/chocolatey.resources/helpers/functions/Get-WebFile.ps1
@@ -66,6 +66,9 @@ Silences the progress output.
 .PARAMETER Options
 OPTIONAL - Specify custom headers.
 
+.PARAMETER Credentials
+OPTIONAL A System.Net.ICredentials-Object that can be used for downloading files from a server which requires user authentication.
+
 .PARAMETER IgnoredArguments
 Allows splatting with arguments that do not apply. Do not use directly.
 
@@ -88,6 +91,7 @@ Get-WebFileName
         [parameter(Mandatory = $false)][switch] $Passthru,
         [parameter(Mandatory = $false)][switch] $quiet,
         [parameter(Mandatory = $false)][hashtable] $options = @{Headers = @{} },
+        [parameter(Mandatory = $false)][System.Net.ICredentials] $credentials = $null,
         [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
     )
 
@@ -110,7 +114,10 @@ Get-WebFileName
 
     $req = [System.Net.HttpWebRequest]::Create($url);
     $defaultCreds = [System.Net.CredentialCache]::DefaultCredentials
-    if ($defaultCreds -ne $null) {
+    if ($null -ne $credentials) {
+        $req.Credentials = $credentials
+    }
+    elseif ($defaultCreds -ne $null) {
         $req.Credentials = $defaultCreds
     }
 
diff --git a/src/chocolatey.resources/helpers/functions/Get-WebFileName.ps1 b/src/chocolatey.resources/helpers/functions/Get-WebFileName.ps1
index e186e401dc..545904bd1f 100644
--- a/src/chocolatey.resources/helpers/functions/Get-WebFileName.ps1
+++ b/src/chocolatey.resources/helpers/functions/Get-WebFileName.ps1
@@ -53,6 +53,9 @@ from the url response.
 The user agent to use as part of the request. Defaults to 'chocolatey
 command line'.
 
+.PARAMETER Credentials
+OPTIONAL A System.Net.ICredentials-Object that can be used for downloading files from a server which requires user authentication.
+
 .PARAMETER IgnoredArguments
 Allows splatting with arguments that do not apply. Do not use directly.
 
@@ -69,6 +72,7 @@ Get-ChocolateyWebFile
         [parameter(Mandatory = $false, Position = 0)][string] $url = '',
         [parameter(Mandatory = $true, Position = 1)][string] $defaultName,
         [parameter(Mandatory = $false)][string] $userAgent = 'chocolatey command line',
+        [parameter(Mandatory = $false)][System.Net.ICredentials] $credentials = $null,
         [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
     )
 
@@ -107,7 +111,10 @@ Get-ChocolateyWebFile
     }
 
     $defaultCreds = [System.Net.CredentialCache]::DefaultCredentials
-    if ($defaultCreds -ne $null) {
+    if ($null -ne $credentials) {
+        $request.Credentials = $credentials
+    }
+    elseif ($defaultCreds -ne $null) {
         $request.Credentials = $defaultCreds
     }
 
diff --git a/src/chocolatey.resources/helpers/functions/Get-WebHeaders.ps1 b/src/chocolatey.resources/helpers/functions/Get-WebHeaders.ps1
index 02cb01d730..edf737a7d8 100644
--- a/src/chocolatey.resources/helpers/functions/Get-WebHeaders.ps1
+++ b/src/chocolatey.resources/helpers/functions/Get-WebHeaders.ps1
@@ -37,6 +37,9 @@ This is the url to get a request/response from.
 The user agent to use as part of the request. Defaults to 'chocolatey
 command line'.
 
+.PARAMETER Credentials
+OPTIONAL A System.Net.ICredentials-Object that can be used for downloading files from a server which requires user authentication.
+
 .PARAMETER IgnoredArguments
 Allows splatting with arguments that do not apply. Do not use directly.
 
@@ -52,6 +55,7 @@ Get-WebFile
     param(
         [parameter(Mandatory = $false, Position = 0)][string] $url = '',
         [parameter(Mandatory = $false, Position = 1)][string] $userAgent = 'chocolatey command line',
+        [parameter(Mandatory = $false)][System.Net.ICredentials] $credentials = $null,
         [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
     )
 
@@ -63,7 +67,10 @@ Get-WebFile
 
     $request = [System.Net.HttpWebRequest]::Create($url);
     $defaultCreds = [System.Net.CredentialCache]::DefaultCredentials
-    if ($defaultCreds -ne $null) {
+    if ($null -ne $credentials) {
+        $request.Credentials = $credentials
+    }
+    elseif ($defaultCreds -ne $null) {
         $request.Credentials = $defaultCreds
     }
 
diff --git a/src/chocolatey.resources/helpers/functions/Install-ChocolateyPackage.ps1 b/src/chocolatey.resources/helpers/functions/Install-ChocolateyPackage.ps1
index 5883432193..bb47f55459 100644
--- a/src/chocolatey.resources/helpers/functions/Install-ChocolateyPackage.ps1
+++ b/src/chocolatey.resources/helpers/functions/Install-ChocolateyPackage.ps1
@@ -217,6 +217,9 @@ be used in place.
 NOTE: You can also use `Install-ChocolateyInstallPackage` for the same
 functionality (see links).
 
+.PARAMETER Credentials
+OPTIONAL A System.Net.ICredentials-Object that can be used for downloading files from a server which requires user authentication.
+
 .PARAMETER IgnoredArguments
 Allows splatting with arguments that do not apply. Do not use directly.
 
@@ -364,6 +367,7 @@ Install-ChocolateyZipPackage
         [alias("useOnlyPackageSilentArgs")][switch] $useOnlyPackageSilentArguments = $false,
         [parameter(Mandatory = $false)][switch]$useOriginalLocation,
         [parameter(Mandatory = $false)][scriptblock] $beforeInstall,
+        [parameter(Mandatory = $false)][System.Net.ICredentials] $credentials = $null,
         [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
     )
     [string]$silentArgs = $silentArgs -join ' '
@@ -413,6 +417,7 @@ Install-ChocolateyZipPackage
             -Checksum64 $checksum64 `
             -ChecksumType64 $checksumType64 `
             -Options $options `
+            -Credentials $credentials `
             -GetOriginalFileName
     }
 
diff --git a/src/chocolatey.resources/helpers/functions/Install-ChocolateyPowershellCommand.ps1 b/src/chocolatey.resources/helpers/functions/Install-ChocolateyPowershellCommand.ps1
index dba7607c0b..b2cde4363a 100644
--- a/src/chocolatey.resources/helpers/functions/Install-ChocolateyPowershellCommand.ps1
+++ b/src/chocolatey.resources/helpers/functions/Install-ChocolateyPowershellCommand.ps1
@@ -136,6 +136,9 @@ The recommendation is to use at least SHA256.
 .PARAMETER Options
 OPTIONAL - Specify custom headers.
 
+.PARAMETER Credentials
+OPTIONAL A System.Net.ICredentials-Object that can be used for downloading files from a server which requires user authentication.
+
 .PARAMETER IgnoredArguments
 Allows splatting with arguments that do not apply. Do not use directly.
 
@@ -187,13 +190,14 @@ Install-ChocolateyZipPackage
         [parameter(Mandatory = $false)][string] $checksum64 = '',
         [parameter(Mandatory = $false)][string] $checksumType64 = '',
         [parameter(Mandatory = $false)][hashtable] $options = @{Headers = @{} },
+        [parameter(Mandatory = $false)][System.Net.ICredentials] $credentials = $null,
         [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
     )
 
     Write-FunctionCallLogMessage -Invocation $MyInvocation -Parameters $PSBoundParameters
 
     if ($url -ne '') {
-        Get-ChocolateyWebFile $packageName $psFileFullPath $url $url64bit -checksum $checksum -checksumType $checksumType -checksum64 $checksum64 -checksumType64 $checksumType64 -Options $options
+        Get-ChocolateyWebFile $packageName $psFileFullPath $url $url64bit -checksum $checksum -checksumType $checksumType -checksum64 $checksum64 -checksumType64 $checksumType64 -Options $options -Credentials $credentials
     }
 
     if ($env:chocolateyPackageName -ne $null -and $env:chocolateyPackageName -eq $env:ChocolateyInstallDirectoryPackage) {
diff --git a/src/chocolatey.resources/helpers/functions/Install-ChocolateyVsixPackage.ps1 b/src/chocolatey.resources/helpers/functions/Install-ChocolateyVsixPackage.ps1
index 1048c72b56..777d946425 100644
--- a/src/chocolatey.resources/helpers/functions/Install-ChocolateyVsixPackage.ps1
+++ b/src/chocolatey.resources/helpers/functions/Install-ChocolateyVsixPackage.ps1
@@ -107,6 +107,9 @@ Will be used for VsixUrl if VsixUrl is empty.
 This parameter provides compatibility, but should not be used directly
 and not with the community package repository until January 2018.
 
+.PARAMETER Credentials
+OPTIONAL A System.Net.ICredentials-Object that can be used for downloading files from a server which requires user authentication.
+
 .PARAMETER IgnoredArguments
 Allows splatting with arguments that do not apply. Do not use directly.
 
@@ -144,6 +147,7 @@ Install-ChocolateyZipPackage
         [parameter(Mandatory = $false)][string] $checksumType = '',
         [parameter(Mandatory = $false)][hashtable] $options = @{Headers = @{} },
         [alias("fileFullPath")][parameter(Mandatory = $false)][string] $file = '',
+        [parameter(Mandatory = $false)][System.Net.ICredentials] $credentials = $null,
         [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
     )
 
@@ -193,7 +197,7 @@ Install-ChocolateyZipPackage
     if ($installer) {
         $download = "$env:TEMP\$($packageName.Replace(' ','')).vsix"
         try {
-            Get-ChocolateyWebFile $packageName $download $vsixUrl -checksum $checksum -checksumType $checksumType -Options $options
+            Get-ChocolateyWebFile $packageName $download $vsixUrl -checksum $checksum -checksumType $checksumType -Options $options -Credentials $credentials
         }
         catch {
             throw "There were errors attempting to retrieve the vsix from $vsixUrl. The error message was '$_'."
diff --git a/src/chocolatey.resources/helpers/functions/Install-ChocolateyZipPackage.ps1 b/src/chocolatey.resources/helpers/functions/Install-ChocolateyZipPackage.ps1
index 1d956418dd..20c8044d25 100644
--- a/src/chocolatey.resources/helpers/functions/Install-ChocolateyZipPackage.ps1
+++ b/src/chocolatey.resources/helpers/functions/Install-ChocolateyZipPackage.ps1
@@ -159,6 +159,9 @@ Usage of this parameter will prevent Uninstall-ChocolateyZipPackage
 from working, extracted files will have to be cleaned up with
 Remove-Item or a similar command instead.
 
+.PARAMETER Credentials
+OPTIONAL A System.Net.ICredentials-Object that can be used for downloading files from a server which requires user authentication.
+
 .PARAMETER IgnoredArguments
 Allows splatting with arguments that do not apply. Do not use directly.
 
@@ -200,6 +203,7 @@ Get-ChocolateyUnzip
         [alias("fileFullPath")][parameter(Mandatory = $false)][string] $file = '',
         [alias("fileFullPath64")][parameter(Mandatory = $false)][string] $file64 = '',
         [parameter(Mandatory = $false)][switch] $disableLogging,
+        [parameter(Mandatory = $false)][System.Net.ICredentials] $credentials = $null,
         [parameter(ValueFromRemainingArguments = $true)][Object[]] $ignoredArguments
     )
 
@@ -225,6 +229,6 @@ Get-ChocolateyUnzip
         $url64bit = $file64
     }
 
-    $filePath = Get-ChocolateyWebFile $packageName $downloadFilePath $url $url64bit -checkSum $checkSum -checksumType $checksumType -checkSum64 $checkSum64 -checksumType64 $checksumType64 -options $options -getOriginalFileName
+    $filePath = Get-ChocolateyWebFile $packageName $downloadFilePath $url $url64bit -checkSum $checkSum -checksumType $checksumType -checkSum64 $checkSum64 -checksumType64 $checksumType64 -options $options -getOriginalFileName -Credentials $credentials
     Get-ChocolateyUnzip "$filePath" $unzipLocation $specificFolder $packageName -disableLogging:$disableLogging
 }