I am currently running Drush 7 and its working fine for D7.

But I want to run it for D8 site. I have also seen many post where it is mentioned that Drush 7 support D8 but its not true.

So i am trying to install Drush 8.

Try to run below command

composer global require drush/drush:8.*


composer require drush/drush:dev-master

./composer.json has been created Loading composer repositories with package information Updating dependencies (including require-dev) Your requirements could not be resolved to an installable set of packages.

Problem 1 - Installation request for drush/drush dev-master -> satisfiable by drush/drush[dev-master]. - drush/drush dev-master requires consolidation/robo dev-master -> satisfiable by consolidation/robo[dev-master] but these conflict with your requirements o r minimum-stability. Installation failed, deleting ./composer.json.

But unable to get success. Any suggestion how achieve this?

1 Answer 1



using this command

 composer global require drush/drush:8.*

But i need to refer few steps before running this command.

  composer.json  # Removed the line containing drush like below

"require": {
"drush/drush": "7.*"

composer global update
composer global require drush/drush:8.*

source https://github.com/drush-ops/drush/issues/2006

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