How To Install Composer Manually On Windows

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Manual Installation#

Change to a directory on your PATH and run the install snippet to download composer.phar:

C:\Users\username>cd C:\bin
C:\bin>php -r "readfile('https://getcomposer.org/installer');" | php

Note: If the above fails due to readfile, enable php_openssl.dll in php.ini. You may use the http URL, however this will leave the request susceptible to a Man-In-The-Middle (MITM) attack.

Create a new composer.bat file alongside composer.phar:

C:\bin>echo @php "%~dp0composer.phar" %*>composer.bat

Add the directory to your PATH environment variable if it isn't already.

Close your current terminal. Test usage with a new terminal:

C:\Users\username>composer -V
Composer version 27d8904







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Source: https://getcomposer.org/doc/00-intro.md
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Next: https://getcomposer.org/doc/01-basic-usage.md