diff --git a/plugins/provisioners/chef/cap/windows/chef_install.rb b/plugins/provisioners/chef/cap/windows/chef_install.rb
new file mode 100644
index 000000000..f1f2317a6
--- /dev/null
+++ b/plugins/provisioners/chef/cap/windows/chef_install.rb
@@ -0,0 +1,16 @@
+require_relative "../../omnibus"
+
+module VagrantPlugins
+  module Chef
+    module Cap
+      module Windows
+        module ChefInstall
+          def self.chef_install(machine, project, version, channel, options = {})
+            command = Omnibus.ps_command(project, version, channel, options)
+            machine.communicate.sudo(command)
+          end
+        end
+      end
+    end
+  end
+end
diff --git a/plugins/provisioners/chef/omnibus.rb b/plugins/provisioners/chef/omnibus.rb
index 5c2eef2fb..897e5282d 100644
--- a/plugins/provisioners/chef/omnibus.rb
+++ b/plugins/provisioners/chef/omnibus.rb
@@ -1,32 +1,39 @@
 module VagrantPlugins
   module Chef
+    # Read more about the Omnibus installer here:
+    #
+    #   https://docs.chef.io/install_omnibus.html
+    #
     module Omnibus
-      OMNITRUCK = "https://www.chef.io/chef/install.sh".freeze
+      OMNITRUCK = "https://omnitruck.chef.io".freeze
 
-      # Read more about the Omnibus installer here:
-      # https://docs.getchef.com/install_omnibus.html
-      def build_command(version, prerelease = false, download_path = nil)
-        command = "curl -sL #{OMNITRUCK} | sudo bash"
-
-        if prerelease || version != :latest || download_path != nil
-          command << " -s --"
-        end
-
-        if prerelease
-          command << " -p"
-        end
+      def sh_command(project, version, channel, options = {})
+        command =  "curl -sL #{OMNITRUCK}/install.sh | sudo bash"
+        command << " -s -- -P \"#{project}\" -c \"#{channel}\""
 
         if version != :latest
           command << " -v \"#{version}\""
         end
 
-        if download_path
-          command << " -d \"#{download_path}\""
+        if options[:download_path]
+          command << " -d \"#{options[:download_path]}\""
         end
 
         command
       end
-      module_function :build_command
+      module_function :sh_command
+
+      def ps_command(project, version, channel, options = {})
+        command =  ". { iwr -useb #{OMNITRUCK}/install.ps1 } | iex; install"
+        command << " -project '#{project}' -channel '#{channel}'"
+
+        if version != :latest
+          command << " -version '#{version}'"
+        end
+
+        command
+      end
+      module_function :ps_command
     end
   end
 end
diff --git a/plugins/provisioners/chef/plugin.rb b/plugins/provisioners/chef/plugin.rb
index 540429fad..f7af36138 100644
--- a/plugins/provisioners/chef/plugin.rb
+++ b/plugins/provisioners/chef/plugin.rb
@@ -53,29 +53,14 @@ module VagrantPlugins
         Provisioner::ChefZero
       end
 
-      guest_capability(:linux, :chef_installed) do
-        require_relative "cap/linux/chef_installed"
-        Cap::Linux::ChefInstalled
-      end
-
-      guest_capability(:windows, :chef_installed) do
-        require_relative "cap/windows/chef_installed"
-        Cap::Windows::ChefInstalled
-      end
-
       guest_capability(:debian, :chef_install) do
         require_relative "cap/debian/chef_install"
         Cap::Debian::ChefInstall
       end
 
-      guest_capability(:redhat, :chef_install) do
-        require_relative "cap/redhat/chef_install"
-        Cap::Redhat::ChefInstall
-      end
-
-      guest_capability(:omnios, :chef_installed) do
-        require_relative "cap/omnios/chef_installed"
-        Cap::OmniOS::ChefInstalled
+      guest_capability(:linux, :chef_installed) do
+        require_relative "cap/linux/chef_installed"
+        Cap::Linux::ChefInstalled
       end
 
       guest_capability(:omnios, :chef_install) do
@@ -83,6 +68,25 @@ module VagrantPlugins
         Cap::OmniOS::ChefInstall
       end
 
+      guest_capability(:omnios, :chef_installed) do
+        require_relative "cap/omnios/chef_installed"
+        Cap::OmniOS::ChefInstalled
+      end
+
+      guest_capability(:redhat, :chef_install) do
+        require_relative "cap/redhat/chef_install"
+        Cap::Redhat::ChefInstall
+      end
+
+      guest_capability(:windows, :chef_install) do
+        require_relative "cap/windows/chef_install"
+        Cap::Windows::ChefInstall
+      end
+
+      guest_capability(:windows, :chef_installed) do
+        require_relative "cap/windows/chef_installed"
+        Cap::Windows::ChefInstalled
+      end
     end
   end
 end
diff --git a/test/unit/plugins/provisioners/chef/omnibus_test.rb b/test/unit/plugins/provisioners/chef/omnibus_test.rb
index b053f94bc..5e8c4aaea 100644
--- a/test/unit/plugins/provisioners/chef/omnibus_test.rb
+++ b/test/unit/plugins/provisioners/chef/omnibus_test.rb
@@ -3,53 +3,44 @@ require_relative "../../../base"
 require Vagrant.source_root.join("plugins/provisioners/chef/omnibus")
 
 describe VagrantPlugins::Chef::Omnibus do
-  let(:prefix) { "curl -sL #{described_class.const_get(:OMNITRUCK)}" }
+  describe "#sh_command" do
+    it "includes the project name" do
+      command = described_class.sh_command("chef", nil, "stable")
+      expect(command).to include %|-P "chef"|
+    end
 
-  let(:version) { :latest }
-  let(:prerelease) { false }
-  let(:download_path) { nil }
+    it "includes the channel" do
+      command = described_class.sh_command("chef", nil, "stable")
+      expect(command).to include %|-c "stable"|
+    end
 
-  let(:build_command) { described_class.build_command(version, prerelease, download_path) }
+    it "includes the version" do
+      command = described_class.sh_command("chef", "1.2.3", "stable")
+      expect(command).to include %|-v "1.2.3"|
+    end
 
-  context "when prerelease is given" do
-    let(:prerelease) { true }
-
-    it "returns the correct command" do
-      expect(build_command).to eq("#{prefix} | sudo bash -s -- -p")
+    it "includes the download path" do
+      command = described_class.sh_command("chef", "1.2.3", "stable",
+        download_path: "/some/path",
+      )
+      expect(command).to include %|-d "/some/path"|
     end
   end
 
-  context "when download_path is given" do
-    let(:download_path) { '/tmp/path/to/omnibuses' }
-
-    it "returns the correct command" do
-      expect(build_command).to eq("#{prefix} | sudo bash -s -- -d \"/tmp/path/to/omnibuses\"")
+  describe "#ps_command" do
+    it "includes the project name" do
+      command = described_class.ps_command("chef", nil, "stable")
+      expect(command).to include %|-project 'chef'|
     end
-  end
 
-  context "when version is :latest" do
-    let(:version) { :latest }
-
-    it "returns the correct command" do
-      expect(build_command).to eq("#{prefix} | sudo bash")
+    it "includes the channel" do
+      command = described_class.ps_command("chef", nil, "stable")
+      expect(command).to include %|-channel 'stable'|
     end
-  end
 
-  context "when version is a string" do
-    let(:version) { "1.2.3" }
-
-    it "returns the correct command" do
-      expect(build_command).to eq("#{prefix} | sudo bash -s -- -v \"1.2.3\"")
-    end
-  end
-
-  context "when prerelease and version and download_path are given" do
-    let(:version) { "1.2.3" }
-    let(:prerelease) { true }
-    let(:download_path) { "/some/path" }
-
-    it "returns the correct command" do
-      expect(build_command).to eq("#{prefix} | sudo bash -s -- -p -v \"1.2.3\" -d \"/some/path\"")
+    it "includes the version" do
+      command = described_class.ps_command("chef", "1.2.3", "stable")
+      expect(command).to include %|-version '1.2.3'|
     end
   end
 end