Failed to connect to Redis: Please make sure the PHP Redis extension is installed and enabled

Two approach:

1. Download and Enable Redis Extension on XAMPP

Step 1: Download the Redis Extension DLL

1. Go to the PECL website.
2. Select the appropriate DLL file for your PHP version and architecture (e.g., php_redis-5.3.7-7.4-ts-vc15-x64.zip for PHP 7.4, thread-safe, Visual C++ 15, 64-bit).
3. Download the ZIP file and extract it.
4. Copy the php_redis.dll file to your xampp\php\ext directory (e.g., C:\xampp\php\ext).

Step 2: Enable the Redis Extension in php.ini

1. Open your php.ini file, located in your xampp\php directory (e.g., C:\xampp\php\php.ini).
2. Add the following line to enable the Redis extension:

2. If you have trouble installing the redis extension, just install the predis/predis package

"If you are unable to install the PhpRedis extension, you may install the predis/predis package via Composer."

More info