求教，本地安装的Fresns安装网站引擎失败，请问如何手动下载安装？
Composer Diagnose
Checking platform settings: OK
Checking git settings: No git process found
Checking http connectivity to packagist: OK
Checking https connectivity to packagist: OK
Checking HTTP proxy: OK
Checking github.com rate limit: OK
Checking disk free space: OK
Checking pubkeys: FAIL
Missing pubkey for tags verification
Missing pubkey for dev verification
Run composer self-update --update-keys to set them up
Checking composer version: You are not running the latest stable version, run `composer self-update` to update (2.5.8 => 2.8.9)
Composer version: 2.5.8
PHP version: 8.3.21
PHP binary path: D:\PhpWebStudy-Data\env\php\php.exe
OpenSSL version: OpenSSL 3.0.15 3 Sep 2024
cURL version: 8.7.0-DEV libz 1.2.12 ssl OpenSSL/3.0.15
zip: extension present, unzip not available, 7-Zip not available
Composer Config List
[repositories.packagist.org.type] composer
[repositories.packagist.org.url] https://repo.packagist.org
[process-timeout] 300
[use-include-path] false
[use-parent-dir] prompt
[preferred-install] dist
[notify-on-install] true
[github-protocols] [https, ssh]
[gitlab-protocol]
[vendor-dir] vendor (D:\wwwroot\127.0.0.101\public/vendor)
[bin-dir] {$vendor-dir}/bin (D:\wwwroot\127.0.0.101\public/vendor/bin)
[cache-dir] C:/Users/胡不喜/AppData/Local/Composer
[data-dir] C:/Users/胡不喜/AppData/Roaming/Composer
[cache-files-dir] {$cache-dir}/files (C:/Users/胡不喜/AppData/Local/Composer/files)
[cache-repo-dir] {$cache-dir}/repo (C:/Users/胡不喜/AppData/Local/Composer/repo)
[cache-vcs-dir] {$cache-dir}/vcs (C:/Users/胡不喜/AppData/Local/Composer/vcs)
[cache-ttl] 15552000
[cache-files-ttl] 15552000
[cache-files-maxsize] 300MiB (314572800)
[cache-read-only] false
[bin-compat] auto
[discard-changes] false
[autoloader-suffix]
[sort-packages] false
[optimize-autoloader] false
[classmap-authoritative] false
[apcu-autoloader] false
[prepend-autoloader] true
[github-domains] [github.com]
[bitbucket-expose-hostname] true
[disable-tls] false
[secure-http] true
[cafile]
[capath]
[github-expose-hostname] true
[gitlab-domains] [gitlab.com]
[store-auths] prompt
[archive-format] tar
[archive-dir] .
[htaccess-protect] true
[use-github-api] true
[lock] true
[platform-check] php-only
[home] C:/Users/胡不喜/AppData/Roaming/Composer