Use composer Update Project (project requires a higher version of php: php7 above)
thinkphp6.0. * Install the latest version
D:\wanghanbin\software\phpstudy_pro\Extensions\php\php7.3.4nts\php.exe D:\wanghanbin\software\composer\composer.phar create-project topthink/think thinkphp6.0 6.0.*