I am using Windows 10 and composer
is installed. When I try to install laravel
installer globally using this command:
composer global r
I believe you are facing the same issue as this and this. Composer recommends the following:
We recommend you fix your IPv6 setup. If that is not possible, you can try the following workarounds:
sadly, for the Windows workaround it says that if your setup cannot be fixed or if that didn't solve the issue then you should outright disable IPv6 which is a common answer and is also suggested here (however the video has been deleted so I've made this post to have a reliable answer).
(I've purposely aligned the windows as such so you can see the steps to the screen)
Edit #1
What is suggested here is:
Install a Windows level VPN or proxy switcher that acts as the default route if you need to change your IP (effectively). Try CyberGhost
and that seemed to solve the issue for the OP.