Error with ruby

Could not find gem ‘typhoeus (~> 0.6.8) x64-mingw32’ in the gems
available on this machine.
Run bundle install to install missing gems.

And when i tried “bundle install”

i got this

DL is deprecated, please use Fiddle
Don’t run Bundler as root. Bundler can ask for sudo if it is needed, and
installing your bundle as root will break this application for all
users on this machine.
Fetching gem metadata from
Fetching additional metadata from
Resolving dependencies…
Using addressable 2.3.6
Using safe_yaml 1.0.3
Using crack 0.4.2
Using diff-lcs 1.2.5
Using docile 1.1.3
Using ffi 1.9.3
Using ethon 0.7.0

Gem::InstallError: The ‘json’ native gem requires installed build tools.

Please update your PATH to include build tools or download the DevKit
from ‘’ and follow the instructions
at ‘
An error occurred while installing json (1.8.1), and Bundler cannot
Make sure that gem install json -v '1.8.1' succeeds before bundling.

i am using ruby on windows 7 64bit
plz help me

It looks like the gem you want to install uses the json gem, and when
bundler tried to install the json gem, it couldn’t. Did you
subsequently try doing this:

download the DevKit
from ‘’ and follow the instructions
at '

Note: remove the erroneous trailing quote in the first link to get to
the right page.

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