问php Tesseract错误！找不到命令"tesseract“

EN

 Fatal error: Uncaught thiagoalessio\TesseractOCR\TesseractNotFoundException: Error! The command "tesseract" was not found. Make sure you have Tesseract OCR installed on your system: https://github.com/tesseract-ocr/tesseract 
The current $PATH is C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0\;C:\Windows\System32\OpenSSH\;C:\Program Files (x86)\NVIDIA Corporation\PhysX\Common;C:\Program Files\NVIDIA Corporation\NVIDIA NvDLISR;C:\xampp\php;C:\ProgramData\ComposerSetup\bin;C:\Users\Peppe\AppData\Local\Microsoft\WindowsApps;C:\Users\Peppe\AppData\Roaming\Composer\vendor\bin in C:\Users\Peppe\vendor\thiagoalessio\tesseract_ocr\src\FriendlyErrors.php:48 Stack trace: #0 
C:\Users\Peppe\vendor\thiagoalessio\tesseract_ocr\src\TesseractOCR.php(26): thiagoalessio\TesseractOCR\FriendlyErrors::checkTesseractPresence('tesseract') #1 C:\xampp\htdocs\index.php(7): thiagoalessio\TesseractOCR\TesseractOCR->run() #2 {main} thrown in C:\Users\Peppe\vendor\thiagoalessio\tesseract_ocr\src\FriendlyErrors.php on line 48

<?php
require_once 'C:\Users\Peppe\vendor\autoload.php';  

use thiagoalessio\TesseractOCR\TesseractOCR;
$ocr = new TesseractOCR("caption.jpg");
$content = $ocr->run();
echo $content;

?>