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1- boxes from bento project ( yes like the boxes 
)
2- Vagrantup website
1- boxes from bento
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: https://
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app.
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vagrantup.com/bento
( and it's github https://github.com/chef/bento )
C:\Users\jkriker\Documents\vagrant\myfirstproject>vagrant box add bento/centos-7.3
==> box: Loading metadata for box 'bento/centos-7.3'
box: URL: https://atlas.hashicorp.com/bento/centos-7.3
This box can work with multiple providers! The providers that it
can work with are listed below. Please review the list and choose
the provider you will be working with.
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