Add section about installing on Windows

docs/INSTALL.md

@@ -154,3 +154,28 @@ the local code would not have effect until the packages are reinstalled.
 Using `--develop` causes a `.egg-link` file to be added to `site-packages` for each package.
 The `.egg-link` file acts like a symlink pointing to the local code. This means any changes you
 make to the code will have effect immediately.
+
+### Installation on Windows
+
+Installing JoinMarket on Windows using the following method requires Windows 10 version 1607 or later.
+
+#### Enable Windows Subsystem for Linux
+
+> note: a more detailed guide can be found [here](https://github.com/michaeltreat/Windows-Subsystem-For-Linux-Setup-Guide/blob/master/readmes/02_WSL_Ubuntu_setup.md).
+
+ 1. Open the `Control Panel` and navigate to `Programs`, `Programs and Features`, `Turn Windows features on or off`.
+ 2. Select `Windows Subsystem for Linux` and click `OK`.
+ 3. When asked, choose to restart.
+
+#### Install Ubuntu from the Windows Store
+1. Open the `Windows Store`, search for `Ubuntu 18.04 LTS` and click `Get`.
+> note: other distributions are available, but this is the only one tested
+2. When finished downloading click `Launch`.
+3. A window should pop up, telling your `Installing, this may take a few minutes...`
+4. After installation is done, you'll be asked to provide a `UNIX username` and `UNIX password`. This will be the administrator account for the Ubuntu installation.
+5. Finish the installation with updating the software within Ubuntu by typing the command `sudo apt update && sudo apt upgrade -y`. When asked, type the password provided earlier.
+
+#### Installing JoinMarket
+At this point you have an (almost) fully featured Linux installation on Windows and you can install JoinMarket using the instructions in the [readme file](../README.md) or [Installation on Linux](#Installation on Linux) section in this file.
+
+todo: add note about installing and configuring bitcoin core