install: update Windows isntructions

per https://github.com/iterative/dvc.org/issues/904#issuecomment-571674606

content/docs/install/index.md

@@ -1,7 +1,7 @@
 # Installation
 
-Please double check that you don't already have DVC (for example running
-`which dvc`) before trying to install it (again).
+> Please double check that you don't already have DVC (for example running
+> `which dvc`) before trying to install it.
 
 - [Install on MacOS](/doc/install/macos)
 - [Install on Windows](/doc/install/windows)
@@ -16,12 +16,12 @@ if needed. The [Python API](/doc/api-reference) module is `dvc.api`.
 
 ## Advanced options
 
+- You can [install a stable pre-release](/doc/install/pre-release) of DVC to
+  stay ahead of official releases.
+
 - Shell completion is automatically enabled by certain installation methods. If
   it does not work for you, please see
   [these instructions](/doc/install/completion) to set it up.
 
-- You can [install a stable pre-release](/doc/install/pre-release) of DVC to
-  stay ahead of official releases.
-
 - Please also check out these 3rd-party tool [plugins](/doc/install/plugins),
   which might be useful.

content/docs/install/windows.md

@@ -7,15 +7,15 @@
 > To use DVC [as a Python library](/doc/api-reference), please
 > [install with pip](#install-with-pip) or [with conda](#install-with-conda).
 
-## Windows installer
+## Install with choco
 
-The easiest way is to use the self-contained, executable installer (binary),
-which is available from the big "Download" button on the [home page](/). You can
-also get it from the [release page](https://github.com/iterative/dvc/releases/)
-on GitHub.
+The easiest way to install from command line for most cases is to install
+[Chocolatey](https://chocolatey.org/) on your machine, and use the `choco`
+command:
 
-> You may use Windows Uninstaller to
-> [remove the program](https://support.microsoft.com/en-us/help/4028054/windows-10-repair-or-remove-programs).
+```dvc
+$ choco install dvc
+```
 
 ## Install with conda
 
@@ -56,3 +56,15 @@ $ pip install "dvc[s3]"
 In this case it installs `boto3` library as well, besides DVC.
 
 </details>
+
+## Windows installer
+
+An easy way is to use the self-contained, executable installer (binary), which
+is available from the big "Download" button on the [home page](/). You can also
+get it from the [release page](https://github.com/iterative/dvc/releases/) on
+GitHub.
+
+> You'll need to download the installer each time to update DVC.
+
+> You may use Windows Uninstaller to
+> [remove the program](https://support.microsoft.com/en-us/help/4028054/windows-10-repair-or-remove-programs).