Horizon: installation wtih php7.1 and laravel 5.4.*

[mahdiahmadi73]

hi .when i use this command : composer require laravel/horizon
i get this error :

Problem 1
- don't install illuminate/support v5.5.0|don't install laravel/framework v5.4.36
- don't install illuminate/support v5.5.0|remove laravel/framework v5.4.36
- don't install illuminate/support v5.5.0|don't install laravel/framework v5.4.36
- laravel/horizon v1.0.0 requires illuminate/support ~5.5 -> satisfiable by illuminate/support[v5.5.0].
- Installation request for laravel/horizon ^1.0 -> satisfiable by laravel/horizon[v1.0.0].
- Installation request for laravel/framework (locked at v5.4.36, required as 5.4.) -> satisfiable by laravel/framework[v5.4.36].ramework (locked at v5.4.36, required as 5.4.) -> satisfiable by laravel/framework[v5.4.36].

what is going wrong and how can i fix that ?

[brunogaspar]

Horizon only works on Laravel 5.5.

[vonec]

https://packagist.org/packages/laravel/horizon#v0.1.0 is compatible with 5.4 give it a try

[Hemantkumawat]

I have Laravel v5.5 but not installing using cmd in windows 7 pc