choco-install: add page (#2017)

pages/windows/choco-install.md

@@ -0,0 +1,35 @@
+# choco install
+
+> Install one or more packages with Chocolatey.
+
+- Install one or more space-separated packages:
+
+`choco install {{package(s)}}`
+
+- Install packages from a custom configuration file:
+
+`choco install {{path/to/packages.config}}`
+
+- Install a specific "nuspec" or "nupkg" file:
+
+`choco install {{path/to/file}}`
+
+- Install a specific version of a package:
+
+`choco install {{package}} --version {{version}}`
+
+- Allow installing multiple versions of a package:
+
+`choco install {{package}} --allow-multiple`
+
+- Confirm all prompts automatically:
+
+`choco install {{package}} --yes`
+
+- Specify a custom source to receive packages from:
+
+`choco install {{package}} --source {{source_url|alias}}`
+
+- Provide a username and password for authentication:
+
+`choco install {{package}} --user {{username}} --password {{password}}`