diff --git a/websites/apidocs/docs.ps1 b/websites/apidocs/docs.ps1
index 55cf9700fe..627cac6c8c 100644
--- a/websites/apidocs/docs.ps1
+++ b/websites/apidocs/docs.ps1
@@ -23,7 +23,6 @@ param (
     [string] $LuceneNetVersion,
     [switch] $ServeDocs = $false,
     [switch] $Clean = $false,
-    [switch] $SkipToolInstall = $false, # to speed up iteration if you already have the tool installed
     [switch] $DisableMetaData = $false,
     [switch] $DisableBuild = $false,
     [switch] $DisablePlugins = $false,
@@ -65,27 +64,25 @@ $TocPath2 = Join-Path -Path $ApiDocsFolder -ChildPath "toc\toc.yml"
 $BreadcrumbPath = Join-Path -Path $ApiDocsFolder -ChildPath "docfx.global.subsite.json"
 
 # install docfx tool
-if ($SkipToolInstall -eq $false) {
-    $InstallDocFx = $false
-    try {
-        $InstalledDocFxVersion = (& docfx --version).Trim().Split('+')[0]
-
-        if ([version]$InstalledDocFxVersion -lt [version]$DocFxVersion) {
-            Write-Host "DocFx is installed, but the version is less than $DocFxVersion, will install it."
-            $InstallDocFx = $true
-        }
-        else {
-            Write-Host "DocFx is installed and the version is $InstalledDocFxVersion."
-        }
-    } catch {
-        Write-Host "DocFx is not installed or not in the PATH, will install it."
+$InstallDocFx = $false
+try {
+    $InstalledDocFxVersion = (& docfx --version).Trim().Split('+')[0]
+
+    if ([version]$InstalledDocFxVersion -lt [version]$DocFxVersion) {
+        Write-Host "DocFx is installed, but the version is less than $DocFxVersion, will install it."
         $InstallDocFx = $true
     }
-
-    if ($InstallDocFx -eq $true) {
-        Write-Host "Installing docfx global tool..."
-        dotnet tool install -g docfx --version $DocFxVersion
+    else {
+        Write-Host "DocFx is installed and the version is $InstalledDocFxVersion."
     }
+} catch {
+    Write-Host "DocFx is not installed or not in the PATH, will install it."
+    $InstallDocFx = $true
+}
+
+if ($InstallDocFx -eq $true) {
+    Write-Host "Installing docfx global tool..."
+    dotnet tool install -g docfx --version $DocFxVersion
 }
 
 # delete anything that already exists
diff --git a/websites/site/docfx.json b/websites/site/docfx.json
index 2fe7086826..6338c8d5a4 100644
--- a/websites/site/docfx.json
+++ b/websites/site/docfx.json
@@ -53,10 +53,9 @@
       "lucenetemplate"
     ],
     "postProcessors": [],
-    "markdownEngineName": "markdig",
     "noLangKeyword": false,
     "keepFileLink": false,
     "cleanupCacheHistory": false,
     "disableGitFeatures": false
   }
-}
\ No newline at end of file
+}
diff --git a/websites/site/lucenetemplate/partials/head-content.tmpl.partial b/websites/site/lucenetemplate/partials/head-content.tmpl.partial
index b207f9ea99..e63c0b4817 100644
--- a/websites/site/lucenetemplate/partials/head-content.tmpl.partial
+++ b/websites/site/lucenetemplate/partials/head-content.tmpl.partial
@@ -9,7 +9,7 @@
   <meta name="generator" content="docfx {{_docfxVersion}}">
   {{#_description}}<meta name="description" content="{{_description}}">{{/_description}}
   <link rel="shortcut icon" href="{{_rel}}{{{_appFaviconPath}}}{{^_appFaviconPath}}favicon.ico{{/_appFaviconPath}}">
-  <link rel="stylesheet" href="{{_rel}}styles/docfx.vendor.css">
+  <link rel="stylesheet" href="{{_rel}}styles/docfx.vendor.min.css">
   <link rel="stylesheet" href="{{_rel}}styles/docfx.css">
   <link rel="stylesheet" href="{{_rel}}styles/main.css">
   <meta property="docfx:navrel" content="{{_navRel}}">
diff --git a/websites/site/lucenetemplate/partials/head.tmpl.partial b/websites/site/lucenetemplate/partials/head.tmpl.partial
index 2a02a275dc..dfe3e4e724 100644
--- a/websites/site/lucenetemplate/partials/head.tmpl.partial
+++ b/websites/site/lucenetemplate/partials/head.tmpl.partial
@@ -9,7 +9,7 @@
   <meta name="generator" content="docfx {{_docfxVersion}}">
   {{#_description}}<meta name="description" content="{{_description}}">{{/_description}}
   <link rel="shortcut icon" href="{{_rel}}{{{_appFaviconPath}}}{{^_appFaviconPath}}favicon.ico{{/_appFaviconPath}}">
-  <link rel="stylesheet" href="{{_rel}}styles/docfx.vendor.css">
+  <link rel="stylesheet" href="{{_rel}}styles/docfx.vendor.min.css">
   <link rel="stylesheet" href="{{_rel}}styles/docfx.css">
   <link rel="stylesheet" href="{{_rel}}styles/main.css">
   <meta property="docfx:navrel" content="{{_navRel}}">
diff --git a/websites/site/site.ps1 b/websites/site/site.ps1
index 241ebbb029..1e18cb6325 100644
--- a/websites/site/site.ps1
+++ b/websites/site/site.ps1
@@ -29,6 +29,8 @@ param (
 	$StagingPort = 8081
 )
 
+$DocFxVersion = "2.77.0" # Required DocFx version
+
 [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
 
 $PSScriptFilePath = (Get-Item $MyInvocation.MyCommand.Path).FullName
@@ -43,21 +45,27 @@ if ($Clean) {
 	Remove-Item (Join-Path -Path $ToolsFolder "\*") -recurse -force -ErrorAction SilentlyContinue
 }
 
-New-Item "$ToolsFolder\tmp" -type directory -force
+# install docfx tool
+$InstallDocFx = $false
+try {
+	$InstalledDocFxVersion = (& docfx --version).Trim().Split('+')[0]
 
-# Go get docfx.exe if we don't have it
-New-Item "$ToolsFolder\docfx" -type directory -force
-$DocFxExe = "$ToolsFolder\docfx\docfx.exe"
-if (-not (test-path $DocFxExe))
-{
-	Write-Host "Retrieving docfx..."
-	$DocFxZip = "$ToolsFolder\tmp\docfx.zip"
-	Invoke-WebRequest "https://github.com/dotnet/docfx/releases/download/v2.58/docfx.zip" -OutFile $DocFxZip -TimeoutSec 60
-	#unzip
-	Expand-Archive $DocFxZip -DestinationPath (Join-Path -Path $ToolsFolder -ChildPath "docfx")
+	if ([version]$InstalledDocFxVersion -lt [version]$DocFxVersion) {
+		Write-Host "DocFx is installed, but the version is less than $DocFxVersion, will install it."
+		$InstallDocFx = $true
+	}
+	else {
+		Write-Host "DocFx is installed and the version is $InstalledDocFxVersion."
+	}
+} catch {
+	Write-Host "DocFx is not installed or not in the PATH, will install it."
+	$InstallDocFx = $true
 }
 
- Remove-Item  -Recurse -Force "$ToolsFolder\tmp"
+if ($InstallDocFx -eq $true) {
+	Write-Host "Installing docfx global tool..."
+	dotnet tool install -g docfx --version $DocFxVersion
+}
 
 # delete anything that already exists
 if ($Clean) {
@@ -75,11 +83,11 @@ if($?) {
 	if ($ServeDocs -eq $false) {
 		# build the output
 		Write-Host "Building docs..."
-		& $DocFxExe build $DocFxJson -l "$DocFxLog" --loglevel $LogLevel
+		& docfx build $DocFxJson -l "$DocFxLog" --logLevel $LogLevel
 	}
 	else {
 		# build + serve (for testing)
 		Write-Host "starting website..."
-		& $DocFxExe $DocFxJson --serve --port $StagingPort
+		& docfx $DocFxJson --serve --port $StagingPort
 	}
-}
\ No newline at end of file
+}