diff --git a/README.md b/README.md
index 96dd989970..e080d32da8 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,6 @@ The following is a basic usage example of the PHPWord library.
 
 ```php
 <?php
-require_once 'bootstrap.php';
 
 // Creating the new document...
 $phpWord = new \PhpOffice\PhpWord\PhpWord();
diff --git a/bootstrap.php b/bootstrap.php
deleted file mode 100644
index 740e3d044c..0000000000
--- a/bootstrap.php
+++ /dev/null
@@ -1,28 +0,0 @@
-<?php
-/**
- * This file is part of PHPWord - A pure PHP library for reading and writing
- * word processing documents.
- *
- * PHPWord is free software distributed under the terms of the GNU Lesser
- * General Public License version 3 as published by the Free Software Foundation.
- *
- * For the full copyright and license information, please read the LICENSE
- * file that was distributed with this source code. For the full list of
- * contributors, visit https://github.com/PHPOffice/PHPWord/contributors. test bootstrap
- *
- * @see         https://github.com/PHPOffice/PHPWord
- * @copyright   2010-2018 PHPWord contributors
- * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
- */
-
-$vendorDirPath = realpath(__DIR__ . '/vendor');
-if (file_exists($vendorDirPath . '/autoload.php')) {
-    require $vendorDirPath . '/autoload.php';
-} else {
-    throw new Exception(
-        sprintf(
-            'Could not find file \'%s\'. It is generated by Composer. Use \'install --prefer-source\' or \'update --prefer-source\' Composer commands to move forward.',
-            $vendorDirPath . '/autoload.php'
-        )
-    );
-}
diff --git a/composer.json b/composer.json
index eb4c83f1a3..efebe941e7 100644
--- a/composer.json
+++ b/composer.json
@@ -95,7 +95,8 @@
             "php samples/Sample_41_TemplateSetChart.php",
             "php samples/Sample_42_TemplateSetCheckbox.php",
             "php samples/Sample_43_RTLDefault.php",
-            "php samples/Sample_44_ExtractVariablesFromReaderWord2007.php"
+            "php samples/Sample_44_ExtractVariablesFromReaderWord2007.php",
+            "php samples/Sample_45_Autoloader.php"
         ]
     },
     "scripts-descriptions": {
diff --git a/docs/changes/1.x/1.4.0.md b/docs/changes/1.x/1.4.0.md
index a6461fba14..0a08848037 100644
--- a/docs/changes/1.x/1.4.0.md
+++ b/docs/changes/1.x/1.4.0.md
@@ -7,6 +7,7 @@
 - Writer ODText: Support for ListItemRun by [@Progi1984](https://github.com/Progi1984) fixing [#2159](https://github.com/PHPOffice/PHPWord/issues/2159), [#2620](https://github.com/PHPOffice/PHPWord/issues/2620) in [#2669](https://github.com/PHPOffice/PHPWord/pull/2669)
 - Writer HTML: Support for vAlign in Tables by [@SpraxDev](https://github.com/SpraxDev) in [#2675](https://github.com/PHPOffice/PHPWord/pull/2675)
 - Added support for PHP 8.4 by [@Progi1984](https://github.com/Progi1984) in [#2660](https://github.com/PHPOffice/PHPWord/pull/2660)
+- Autoload : Allow to use PHPWord without Composer fixing [#2543](https://github.com/PHPOffice/PHPWord/issues/2543), [#2552](https://github.com/PHPOffice/PHPWord/issues/2552), [#2716](https://github.com/PHPOffice/PHPWord/issues/2716), [#2717](https://github.com/PHPOffice/PHPWord/issues/2717) in [#2722](https://github.com/PHPOffice/PHPWord/pull/2722)
 
 ### Bug fixes
 
diff --git a/docs/install.md b/docs/install.md
index 1b54a3173f..a4d61b104d 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -32,7 +32,6 @@ To install via Composer, add the following lines to your `composer.json`:
 To install manually:
 
 * [download PHPOffice\PHPWord package from GitHub](https://github.com/PHPOffice/PHPWord/archive/master.zip)
-* [download PHPOffice\Common package from GitHub](https://github.com/PHPOffice/Common/archive/master.zip)
 * extract the package and put the contents to your machine.
 
 
@@ -42,11 +41,10 @@ To install manually:
 require_once 'path/to/PHPWord/src/PhpWord/Autoloader.php';
 \PhpOffice\PhpWord\Autoloader::register();
 
-require_once 'path/to/PhpOffice/Common/src/Common/Autoloader.php';
-\PhpOffice\Common\Autoloader::register();
-
 ```
 
+The preferred method is the Composer one.
+
 ## Samples
 
 After installation, you can browse and use the samples that we've provided, either by command line or using browser. If you can access your PhpWord library folder using browser, point your browser to the `samples` folder, e.g. `http://localhost/PhpWord/samples/`.
diff --git a/docs/usage/introduction.md b/docs/usage/introduction.md
index b3a101ab0d..7a3d153d95 100644
--- a/docs/usage/introduction.md
+++ b/docs/usage/introduction.md
@@ -7,7 +7,6 @@ are provided in the [samples folder](https://github.com/PHPOffice/PHPWord/tree/m
 
 ``` php
 <?php
-require_once 'bootstrap.php';
 
 // Creating the new document...
 $phpWord = new \PhpOffice\PhpWord\PhpWord();
diff --git a/samples/Sample_45_Autoloader.php b/samples/Sample_45_Autoloader.php
new file mode 100644
index 0000000000..71f443f770
--- /dev/null
+++ b/samples/Sample_45_Autoloader.php
@@ -0,0 +1,93 @@
+<?php
+
+use PhpOffice\PhpWord\Style\Font;
+
+define('USE_AUTOLOADER', true);
+
+include_once 'Sample_Header.php';
+
+// New Word Document
+echo date('H:i:s') , ' Create new PhpWord object' , EOL;
+
+$languageEnGb = new PhpOffice\PhpWord\Style\Language(PhpOffice\PhpWord\Style\Language::EN_GB);
+
+$phpWord = new PhpOffice\PhpWord\PhpWord();
+$phpWord->getSettings()->setThemeFontLang($languageEnGb);
+
+$fontStyleName = 'rStyle';
+$phpWord->addFontStyle($fontStyleName, ['bold' => true, 'italic' => true, 'size' => 16, 'allCaps' => true, 'doubleStrikethrough' => true]);
+
+$paragraphStyleName = 'pStyle';
+$phpWord->addParagraphStyle($paragraphStyleName, ['alignment' => PhpOffice\PhpWord\SimpleType\Jc::CENTER, 'spaceAfter' => 100]);
+
+$phpWord->addTitleStyle(1, ['bold' => true], ['spaceAfter' => 240]);
+
+// New portrait section
+$section = $phpWord->addSection();
+
+// Simple text
+$section->addTitle('Welcome to PhpWord', 1);
+$section->addText('Hello World!');
+
+// $pStyle = new Font();
+// $pStyle->setLang()
+$section->addText('Ce texte-ci est en français.', ['lang' => PhpOffice\PhpWord\Style\Language::FR_BE]);
+
+// Two text break
+$section->addTextBreak(2);
+
+// Define styles
+$section->addText('I am styled by a font style definition.', $fontStyleName);
+$section->addText('I am styled by a paragraph style definition.', null, $paragraphStyleName);
+$section->addText('I am styled by both font and paragraph style.', $fontStyleName, $paragraphStyleName);
+
+$section->addTextBreak();
+
+// Inline font style
+$fontStyle['name'] = 'Times New Roman';
+$fontStyle['size'] = 20;
+
+$textrun = $section->addTextRun();
+$textrun->addText('I am inline styled ', $fontStyle);
+$textrun->addText('with ');
+$textrun->addText('color', ['color' => '996699']);
+$textrun->addText(', ');
+$textrun->addText('bold', ['bold' => true]);
+$textrun->addText(', ');
+$textrun->addText('italic', ['italic' => true]);
+$textrun->addText(', ');
+$textrun->addText('underline', ['underline' => 'dash']);
+$textrun->addText(', ');
+$textrun->addText('strikethrough', ['strikethrough' => true]);
+$textrun->addText(', ');
+$textrun->addText('doubleStrikethrough', ['doubleStrikethrough' => true]);
+$textrun->addText(', ');
+$textrun->addText('superScript', ['superScript' => true]);
+$textrun->addText(', ');
+$textrun->addText('subScript', ['subScript' => true]);
+$textrun->addText(', ');
+$textrun->addText('smallCaps', ['smallCaps' => true]);
+$textrun->addText(', ');
+$textrun->addText('allCaps', ['allCaps' => true]);
+$textrun->addText(', ');
+$textrun->addText('fgColor', ['fgColor' => 'yellow']);
+$textrun->addText(', ');
+$textrun->addText('scale', ['scale' => 200]);
+$textrun->addText(', ');
+$textrun->addText('spacing', ['spacing' => 120]);
+$textrun->addText(', ');
+$textrun->addText('kerning', ['kerning' => 10]);
+$textrun->addText('. ');
+
+// Link
+$section->addLink('https://github.com/PHPOffice/PHPWord', 'PHPWord on GitHub');
+$section->addTextBreak();
+
+// Image
+$section->addImage(__DIR__ . '/resources/_earth.jpg', ['width' => 18, 'height' => 18]);
+
+// Save file
+echo write($phpWord, basename(__FILE__, '.php'), $writers);
+if (!CLI) {
+    include_once 'Sample_Footer.php';
+}
diff --git a/samples/Sample_Header.php b/samples/Sample_Header.php
index 679848ad83..eab7033275 100644
--- a/samples/Sample_Header.php
+++ b/samples/Sample_Header.php
@@ -1,5 +1,19 @@
 <?php
-require_once __DIR__ . '/../bootstrap.php';
+
+$vendorDirPath = realpath(__DIR__ . '/../vendor');
+
+if ((defined('USE_AUTOLOADER') && USE_AUTOLOADER == true)
+    || !file_exists($vendorDirPath . '/autoload.php')) {
+    // PhpWord
+    require_once __DIR__ . '/../src/PhpWord/Autoloader.php';
+    PhpOffice\PhpWord\Autoloader::register();
+} else {
+    require $vendorDirPath . '/autoload.php';
+    $dompdfPath = $vendorDirPath . '/dompdf/dompdf';
+    if (file_exists($dompdfPath)) {
+        define('DOMPDF_ENABLE_AUTOLOAD', false);
+    }
+}
 
 use PhpOffice\PhpWord\Settings;
 
@@ -12,9 +26,7 @@
 
 Settings::loadConfig();
 
-$dompdfPath = $vendorDirPath . '/dompdf/dompdf';
-if (file_exists($dompdfPath)) {
-    define('DOMPDF_ENABLE_AUTOLOAD', false);
+if (defined('DOMPDF_ENABLE_AUTOLOAD')) {
     Settings::setPdfRenderer(Settings::PDF_RENDERER_DOMPDF, $vendorDirPath . '/dompdf/dompdf');
 }
 
@@ -60,14 +72,8 @@
 
 /**
  * Write documents.
- *
- * @param PhpOffice\PhpWord\PhpWord $phpWord
- * @param string $filename
- * @param array $writers
- *
- * @return string
  */
-function write($phpWord, $filename, $writers)
+function write(PhpOffice\PhpWord\PhpWord $phpWord, string $filename, array $writers): string
 {
     $result = '';
 
@@ -90,13 +96,8 @@ function write($phpWord, $filename, $writers)
 
 /**
  * Get ending notes.
- *
- * @param array $writers
- * @param mixed $filename
- *
- * @return string
  */
-function getEndingNotes($writers, $filename)
+function getEndingNotes(array $writers, string $filename): string
 {
     $result = '';
 
diff --git a/src/PhpWord/Autoloader.php b/src/PhpWord/Autoloader.php
new file mode 100644
index 0000000000..122d9c05fd
--- /dev/null
+++ b/src/PhpWord/Autoloader.php
@@ -0,0 +1,47 @@
+<?php
+
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @see         https://github.com/PHPOffice/PHPWord
+ *
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+declare(strict_types=1);
+
+namespace PhpOffice\PhpWord;
+
+class Autoloader
+{
+    /** @const string */
+    const NAMESPACE_PREFIX = 'PhpOffice\\PhpWord\\';
+
+    public static function register(): void
+    {
+        spl_autoload_register([new self(), 'autoload']);
+    }
+
+    public static function autoload(string $class): void
+    {
+        $prefixLength = strlen(self::NAMESPACE_PREFIX);
+        if (0 === strncmp(self::NAMESPACE_PREFIX, $class, $prefixLength)) {
+            $file = str_replace('\\', DIRECTORY_SEPARATOR, substr($class, $prefixLength));
+            $file = realpath(__DIR__ . (empty($file) ? '' : DIRECTORY_SEPARATOR) . $file . '.php');
+            if (!$file) {
+                return;
+            }
+            if (file_exists($file)) {
+                /** @noinspection PhpIncludeInspection Dynamic includes */
+                require_once $file;
+            }
+        }
+    }
+}
diff --git a/tests/PhpWordTests/AutoloaderTest.php b/tests/PhpWordTests/AutoloaderTest.php
new file mode 100644
index 0000000000..076bc8ebca
--- /dev/null
+++ b/tests/PhpWordTests/AutoloaderTest.php
@@ -0,0 +1,56 @@
+<?php
+
+/**
+ * This file is part of PHPWord - A pure PHP library for reading and writing
+ * word processing documents.
+ *
+ * PHPWord is free software distributed under the terms of the GNU Lesser
+ * General Public License version 3 as published by the Free Software Foundation.
+ *
+ * For the full copyright and license information, please read the LICENSE
+ * file that was distributed with this source code. For the full list of
+ * contributors, visit https://github.com/PHPOffice/PHPWord/contributors.
+ *
+ * @see         https://github.com/PHPOffice/PHPWord
+ *
+ * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
+ */
+
+namespace PhpOffice\PhpWordTests;
+
+use PhpOffice\PhpWord\Autoloader;
+use PHPUnit\Framework\TestCase;
+
+/**
+ * Test class for PhpOffice\PhpWord\Autoloader.
+ */
+class AutoloaderTest extends TestCase
+{
+    public function testRegister(): void
+    {
+        Autoloader::register();
+        $splFunctions = spl_autoload_functions();
+        // @phpstan-ignore-next-line spl_autoload_functions return false < PHP 8.0
+        if ($splFunctions === false) {
+            $splFunctions = [];
+        }
+
+        self::assertContains(
+            ['PhpOffice\\PhpWord\\Autoloader', 'autoload'],
+            $splFunctions
+        );
+    }
+
+    public function testAutoload(): void
+    {
+        $declared = get_declared_classes();
+        $declaredCount = count($declared);
+        Autoloader::autoload('Foo');
+        self::assertCount(
+            $declaredCount,
+            get_declared_classes(),
+            'PhpOffice\\PhpWord\\Autoloader::autoload() is trying to load ' .
+            'classes outside of the PhpOffice\\PhpWord namespace'
+        );
+    }
+}
diff --git a/tests/bootstrap.php b/tests/bootstrap.php
index e6dabe8f7f..7c4e0a3e1b 100644
--- a/tests/bootstrap.php
+++ b/tests/bootstrap.php
@@ -15,7 +15,8 @@
  *
  * @license     http://www.gnu.org/licenses/lgpl.txt LGPL version 3
  */
-require_once __DIR__ . '/../bootstrap.php';
+
+require dirname(__DIR__) . '/vendor/autoload.php';
 
 date_default_timezone_set('UTC');