Instalei o Composer na versão 2.8.5 porém ao tentar instalar as dependências (guzzle e domcrawler) aparecem falhas no cmd:
Writing lock file Installing dependencies from lock file (including require-dev) Package operations: 8 installs, 0 updates, 0 removals Failed to download symfony/deprecation-contracts from dist: The zip extension and unzip/7z commands are both missing, skipping. The php.ini used by your command-line PHP is: C:\php\php.ini Now trying to download from source
- Syncing symfony/deprecation-contracts (v3.5.1) into cache Failed to download psr/http-message from dist: The zip extension and unzip/7z commands are both missing, skipping. The php.ini used by your command-line PHP is: C:\php\php.ini Now trying to download from source
- Syncing psr/http-message (2.0) into cache Failed to download psr/http-client from dist: The zip extension and unzip/7z commands are both missing, skipping. The php.ini used by your command-line PHP is: C:\php\php.ini Now trying to download from source
- Syncing psr/http-client (1.0.3) into cache Failed to download ralouphie/getallheaders from dist: The zip extension and unzip/7z commands are both missing, skipping. The php.ini used by your command-line PHP is: C:\php\php.ini Now trying to download from source
- Syncing ralouphie/getallheaders (3.0.3) into cache Failed to download psr/http-factory from dist: The zip extension and unzip/7z commands are both missing, skipping. The php.ini used by your command-line PHP is: C:\php\php.ini Now trying to download from source
- Syncing psr/http-factory (1.1.0) into cache Failed to download guzzlehttp/psr7 from dist: The zip extension and unzip/7z commands are both missing, skipping. The php.ini used by your command-line PHP is: C:\php\php.ini Now trying to download from source
- Syncing guzzlehttp/psr7 (2.7.0) into cache Failed to download guzzlehttp/promises from dist: The zip extension and unzip/7z commands are both missing, skipping. The php.ini used by your command-line PHP is: C:\php\php.ini Now trying to download from source
- Syncing guzzlehttp/promises (2.0.4) into cache Failed to download guzzlehttp/guzzle from dist: The zip extension and unzip/7z commands are both missing, skipping. The php.ini used by your command-line PHP is: C:\php\php.ini Now trying to download from source
Marquei os erros em negrito para mais fácil visualização, alguém pode me ajudar?