diff --git a/__tests__/extensions.test.ts b/__tests__/extensions.test.ts
index 03491255..98823f39 100644
--- a/__tests__/extensions.test.ts
+++ b/__tests__/extensions.test.ts
@@ -3,7 +3,7 @@ import * as extensions from '../src/extensions';
 describe('Extension tests', () => {
   it('checking addExtensionOnWindows', async () => {
     let win32: string = await extensions.addExtension(
-      'xdebug, pcov, phalcon4, ast-beta',
+      'xdebug, pcov, phalcon4, ast-beta, grpc-1.2.3',
       '7.4',
       'win32'
     );
@@ -11,6 +11,7 @@ describe('Extension tests', () => {
     expect(win32).toContain('Add-Extension pcov');
     expect(win32).toContain('phalcon.ps1 phalcon4');
     expect(win32).toContain('Add-Extension ast beta');
+    expect(win32).toContain('Add-Extension grpc stable 1.2.3');
 
     win32 = await extensions.addExtension(
       'phalcon3, does_not_exist',
@@ -27,7 +28,7 @@ describe('Extension tests', () => {
 
   it('checking addExtensionOnLinux', async () => {
     let linux: string = await extensions.addExtension(
-      'xdebug, pcov, ast-beta, xdebug-alpha',
+      'xdebug, pcov, ast-beta, xdebug-alpha, grpc-1.2.3',
       '7.4',
       'linux'
     );
@@ -36,6 +37,7 @@ describe('Extension tests', () => {
       'sudo DEBIAN_FRONTEND=noninteractive apt-get install -y php7.4-pcov'
     );
     expect(linux).toContain('add_unstable_extension ast beta extension');
+    expect(linux).toContain('add_pecl_extension grpc 1.2.3');
     expect(linux).toContain(
       'add_unstable_extension xdebug alpha zend_extension'
     );
@@ -64,13 +66,14 @@ describe('Extension tests', () => {
 
   it('checking addExtensionOnDarwin', async () => {
     let darwin: string = await extensions.addExtension(
-      'xdebug, pcov, ast-beta',
+      'xdebug, pcov, ast-beta, grpc-1.2.3',
       '7.2',
       'darwin'
     );
     expect(darwin).toContain('sudo pecl install -f xdebug');
     expect(darwin).toContain('sudo pecl install -f pcov');
     expect(darwin).toContain('add_unstable_extension ast beta extension');
+    expect(darwin).toContain('sudo pecl install -f grpc-1.2.3');
 
     darwin = await extensions.addExtension('phalcon3', '7.0', 'darwin');
     expect(darwin).toContain('phalcon_darwin.sh phalcon3 7.0');
diff --git a/action.yml b/action.yml
index cabc7b4f..65ea57cd 100644
--- a/action.yml
+++ b/action.yml
@@ -20,6 +20,9 @@ inputs:
   tools:
     description: 'Setup popular tools globally.'
     required: false
+  update:
+    description: 'Update PHP if already installed.'
+    required: false
   # Deprecated options, do not use. Will not be supported in v2 which will be released around February 1, 2020.
   extension-csv:
     description: 'Deprecated! Use extensions instead.'
diff --git a/dist/index.js b/dist/index.js
index 91a39e1e..af279b3c 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -2368,7 +2368,8 @@ function build(filename, version, os_version) {
         const pecl = yield utils.getInput('pecl', false);
         let tools_csv = yield utils.getInput('tools', false);
         if (pecl == 'true' ||
-            /.*-(beta|alpha|devel|snapshot).*/.test(extension_csv)) {
+            /.*-(beta|alpha|devel|snapshot).*/.test(extension_csv) ||
+            /.*-(\d+\.\d+\.\d+).*/.test(extension_csv)) {
             tools_csv = 'pecl, ' + tools_csv;
         }
         let script = yield utils.readScript(filename, version, os_version);
@@ -2392,9 +2393,9 @@ exports.build = build;
 function run() {
     return __awaiter(this, void 0, void 0, function* () {
         try {
-            const os_version = process.platform;
             let version = yield utils.getInput('php-version', true);
             version = version.length > 1 ? version.slice(0, 3) : version + '.0';
+            const os_version = process.platform;
             // check the os version and run the respective script
             let script_path = '';
             switch (os_version) {
@@ -2761,6 +2762,16 @@ function addExtensionWindows(extension_csv, version, pipe) {
                     case /.*-(beta|alpha|devel|snapshot)/.test(version_extension):
                         script += '\nAdd-Extension ' + extension_name + ' ' + stability;
                         break;
+                    // match exact versions
+                    case /.*-\d+\.\d+\.\d+/.test(version_extension):
+                        script +=
+                            '\nAdd-Extension ' +
+                                extension_name +
+                                ' ' +
+                                'stable' +
+                                ' ' +
+                                stability;
+                        return;
                     // match 7.0phalcon3...7.3phalcon3 and 7.2phalcon4...7.4phalcon4
                     case /^7\.[0-3]phalcon3$|^7\.[2-4]phalcon4$/.test(version_extension):
                         script +=
@@ -2811,6 +2822,10 @@ function addExtensionLinux(extension_csv, version, pipe) {
                                 ' ' +
                                 prefix;
                         return;
+                    // match exact versions
+                    case /.*-\d+\.\d+\.\d+/.test(version_extension):
+                        script += '\nadd_pecl_extension ' + extension_name + ' ' + stability;
+                        return;
                     // match 5.6gearman..7.4gearman
                     case /^((5\.6)|(7\.[0-4]))gearman$/.test(version_extension):
                         install_command =
diff --git a/src/extensions.ts b/src/extensions.ts
index 3248b6f9..a68f8406 100644
--- a/src/extensions.ts
+++ b/src/extensions.ts
@@ -102,6 +102,16 @@ export async function addExtensionWindows(
       case /.*-(beta|alpha|devel|snapshot)/.test(version_extension):
         script += '\nAdd-Extension ' + extension_name + ' ' + stability;
         break;
+      // match exact versions
+      case /.*-\d+\.\d+\.\d+/.test(version_extension):
+        script +=
+          '\nAdd-Extension ' +
+          extension_name +
+          ' ' +
+          'stable' +
+          ' ' +
+          stability;
+        return;
       // match 7.0phalcon3...7.3phalcon3 and 7.2phalcon4...7.4phalcon4
       case /^7\.[0-3]phalcon3$|^7\.[2-4]phalcon4$/.test(version_extension):
         script +=
@@ -152,6 +162,10 @@ export async function addExtensionLinux(
           ' ' +
           prefix;
         return;
+      // match exact versions
+      case /.*-\d+\.\d+\.\d+/.test(version_extension):
+        script += '\nadd_pecl_extension ' + extension_name + ' ' + stability;
+        return;
       // match 5.6gearman..7.4gearman
       case /^((5\.6)|(7\.[0-4]))gearman$/.test(version_extension):
         install_command =
diff --git a/src/install.ts b/src/install.ts
index a5bd54a6..22725157 100644
--- a/src/install.ts
+++ b/src/install.ts
@@ -32,7 +32,8 @@ export async function build(
   let tools_csv: string = await utils.getInput('tools', false);
   if (
     pecl == 'true' ||
-    /.*-(beta|alpha|devel|snapshot).*/.test(extension_csv)
+    /.*-(beta|alpha|devel|snapshot).*/.test(extension_csv) ||
+    /.*-(\d+\.\d+\.\d+).*/.test(extension_csv)
   ) {
     tools_csv = 'pecl, ' + tools_csv;
   }
@@ -58,9 +59,10 @@ export async function build(
  */
 export async function run(): Promise<void> {
   try {
-    const os_version: string = process.platform;
     let version: string = await utils.getInput('php-version', true);
     version = version.length > 1 ? version.slice(0, 3) : version + '.0';
+    const os_version: string = process.platform;
+
     // check the os version and run the respective script
     let script_path = '';
     switch (os_version) {
diff --git a/src/scripts/ext/extensions.sh b/src/scripts/ext/extensions.sh
deleted file mode 100644
index 9dc8d260..00000000
--- a/src/scripts/ext/extensions.sh
+++ /dev/null
@@ -1,79 +0,0 @@
-linux_extension_dir() {
-  apiv=$1
-  if [ "$version" = "5.3" ]; then
-    echo "/home/runner/php/5.3.29/lib/php/extensions/no-debug-non-zts-$apiv"
-  elif [[ "$version" =~ $old_versions_linux ]]; then
-    echo "/usr/lib/php5/$apiv"
-  elif [ "$version" = "8.0" ]; then
-    echo "/home/runner/php/8.0/lib/php/extensions/no-debug-non-zts-$apiv"
-  else
-    echo "/usr/lib/php/$apiv"
-  fi
-}
-
-darwin_extension_dir() {
-  apiv=$1
-  if [[ "$version" =~ $old_versions_darwin ]]; then
-    echo "/opt/local/lib/php${version/./}/extensions/no-debug-non-zts-$apiv"
-  else
-    echo "/usr/local/lib/php/pecl/$apiv"
-  fi
-}
-
-get_apiv() {
-  case $version in
-    5.3)
-      echo "20090626"
-      ;;
-    5.4)
-      echo "20100525"
-      ;;
-    5.5)
-      echo "20121212"
-      ;;
-    5.6)
-      echo "20131226"
-      ;;
-    7.0)
-      echo "20151012"
-      ;;
-    7.1)
-      echo "20160303"
-      ;;
-    7.2)
-      echo "20170718"
-      ;;
-    7.3)
-      echo "20180731"
-      ;;
-    *)
-      if [ "$version" = "8.0" ]; then
-        php_h="https://raw.githubusercontent.com/php/php-src/master/main/php.h"
-      else
-        semver=$(curl -sSL --retry 5 https://github.com/php/php-src/releases | grep "$flags" "(php-$version.[0-9]+)".zip | head -n 1 | grep "$flags" '[0-9]+\.[0-9]+\.[0-9]+')
-        php_h="https://raw.githubusercontent.com/php/php-src/PHP-$semver/main/php.h"
-      fi
-      curl -sSL --retry 5 "$php_h" | grep "PHP_API_VERSION" | cut -d' ' -f 3
-      ;;
-  esac
-}
-
-version=$2
-old_versions_linux="5.[4-5]"
-old_versions_darwin="5.[3-5]"
-os=$(uname -s)
-if [ "$os" = "Linux" ]; then
-  flags='-Po'
-  apiv=$(get_apiv)
-  dir=$(linux_extension_dir "$apiv")
-  sudo mkdir -p "$dir" && sudo chown -R "$USER":"$(id -g -n)" $(dirname "$dir")
-elif [ "$os" = "Darwin" ]; then
-  flags='-Eo'
-  apiv=$(get_apiv)
-  dir=$(darwin_extension_dir "$apiv")
-else
-  dir='C:\\tools\\php\\ext'
-fi
-hash=$(echo -n "$1" | openssl dgst -sha256 | cut -d ' ' -f 2)
-echo "::set-output name=ext_dir::$dir"
-echo "::set-output name=ext_hash::$hash"
\ No newline at end of file
diff --git a/src/scripts/linux.sh b/src/scripts/linux.sh
index f42cc8db..381b7937 100644
--- a/src/scripts/linux.sh
+++ b/src/scripts/linux.sh
@@ -24,11 +24,12 @@ update_ppa() {
     else
       ppa="ondrej-ubuntu-php*.list"
     fi
-    find /etc/apt/sources.list.d -type f -name "$ppa" -exec sudo DEBIAN_FRONTEND=noninteractive apt-fast update -o Dir::Etc::sourcelist="{}" ';' >/dev/null 2>&1
+    find /etc/apt/sources.list.d -type f -name "$ppa" -exec sudo "$debconf_fix" apt-fast update -o Dir::Etc::sourcelist="{}" ';' >/dev/null 2>&1
     echo "true"
   fi
 }
 
+# Function to configure PECL
 configure_pecl() {
   if [ "$pecl_config" = "false" ] && [ -e /usr/bin/pecl ]; then
     for tool in pear pecl; do
@@ -247,7 +248,8 @@ ppa_updated="false"
 pecl_config="false"
 version=$1
 old_versions="5.[4-5]"
-apt_install="sudo DEBIAN_FRONTEND=noninteractive apt-fast install -y"
+debconf_fix="DEBIAN_FRONTEND=noninteractive"
+apt_install="sudo $debconf_fix apt-fast install -y"
 existing_version=$(php-config --version | cut -c 1-3)
 
 # Setup PHP
@@ -267,33 +269,37 @@ if [ "$existing_version" != "$version" ]; then
       fi
       $apt_install php"$version" php"$version"-curl php"$version"-mbstring php"$version"-xml >/dev/null 2>&1
     fi
-    status="installed"
+    status="Installed"
   else
-    status="switched"
+    if [ "$update" = "true" ]; then
+      $apt_install php"$version" >/dev/null 2>&1
+      status="Updated to"
+    else
+      status="Switched to"
+    fi
   fi
 
+  # PHP 5.3 is switched by install script, for rest switch_version
   if [ "$version" != "5.3" ]; then
     switch_version
   fi
 
-  if [ "$version" = "8.0" ]; then
-    semver=$(php -v | head -n 1 | cut -f 2 -d ' ')
-  else
-    semver=$(php -v | head -n 1 | cut -f 2 -d ' ' | cut -f 1 -d '-')
-  fi
-
-  if [ "$status" != "switched" ]; then
-    status="Installed PHP $semver"
-  else
-    status="Switched to PHP $semver"
-  fi
 else
-  semver=$(php -v | head -n 1 | cut -f 2 -d ' ' | cut -f 1 -d '-')
-  status="PHP $semver Found"
+  if [ "$update" = "true" ]; then
+    $apt_install php"$version" >/dev/null 2>&1
+    status="Updated to"
+  else
+    status="Found"
+  fi
+fi
+
+semver=$(php -v | head -n 1 | cut -f 2 -d ' ')
+if [ ! "$version" = "8.0" ]; then
+  semver=$(echo "$semver" | cut -f 1 -d '-')
 fi
 
 ini_file=$(php --ini | grep "Loaded Configuration" | sed -e "s|.*:s*||" | sed "s/ //g")
 ext_dir=$(php -i | grep "extension_dir => /" | sed -e "s|.*=> s*||")
 scan_dir=$(php --ini | grep additional | sed -e "s|.*: s*||")
 sudo chmod 777 "$ini_file"
-add_log "$tick" "PHP" "$status"
+add_log "$tick" "PHP" "$status PHP $semver"
diff --git a/src/scripts/win32.ps1 b/src/scripts/win32.ps1
index 19eef46e..f538c1be 100644
--- a/src/scripts/win32.ps1
+++ b/src/scripts/win32.ps1
@@ -31,7 +31,12 @@ Function Add-Extension {
     [ValidateNotNull()]
     [ValidateSet('stable', 'beta', 'alpha', 'devel', 'snapshot')]
     [string]
-    $mininum_stability = 'stable'
+    $mininum_stability = 'stable',
+    [Parameter(Position = 2, Mandatory = $false)]
+    [ValidateNotNull()]
+    [ValidatePattern('^\d+(\.\d+){0,2}$')]
+    [string]
+    $extension_version = ''
   )
   try {
     $extension_info = Get-PhpExtension -Path $php_dir | Where-Object { $_.Name -eq $extension -or $_.Handle -eq $extension }
@@ -50,7 +55,7 @@ Function Add-Extension {
       }
     }
     else {
-      Install-PhpExtension -Extension $extension -MinimumStability $mininum_stability -Path $php_dir
+      Install-PhpExtension -Extension $extension -MinimumStability $mininum_stability -Version $extension_version -Path $php_dir
       Add-Log $tick $extension "Installed and enabled"
     }
   }
@@ -192,8 +197,10 @@ if ($null -eq $installed -or -not("$($installed.Version).".StartsWith(($version
 
   Install-Php -Version $version -Architecture $arch -ThreadSafe $ts -InstallVC -Path $php_dir -TimeZone UTC -InitialPhpIni Production -Force >$null 2>&1
 } else {
-  $updated = Update-Php $php_dir >$null 2>&1
-  if($updated -eq $False) {
+  if((Test-Path env:update) -and $env:update -eq 'true') {
+    Update-Php $php_dir > $null 2>&1
+    $status = "Updated to"
+  } else {
     $status = "Found"
   }
 }