Document the precompiled releases.

.appveyor.yml

@@ -1,5 +1,6 @@
 version: '{branch}.{build}'
 clone_depth: 1
+skip_tags: true
 
 environment:
   MSYSTEM: MINGW32
@@ -10,22 +11,29 @@ init:
 install:
   - set PATH=c:\msys64\mingw32\bin;c:\msys64\usr\bin;c:\msys64\bin;%PATH%
   - echo %PATH%
-  - pacman -S --noconfirm --needed make ninja mingw-w64-i686-libusb mingw-w64-i686-sqlite3 mingw-w64-i686-zlib mingw-w64-i686-gcc
+  - pacman -S --noconfirm --needed make ninja mingw-w64-i686-libusb mingw-w64-i686-sqlite3 mingw-w64-i686-zlib mingw-w64-i686-gcc zip
 
 build_script:
   - make
+  - zip -9 fluxengine.zip fluxengine.exe
 
 artifacts:
-  - path: fluxengine.exe
-    name: fluxengine.exe
+  - path: fluxengine.zip
+    name: fluxengine.zip
 
 deploy:
-  release: fluxengine-windows-client-v$(appveyor_build_version)
-  description: FluxEngine Windows client
+  release: FluxEngine Windows client version $(APPVEYOR_BUILD_NUMBER)
+  description: >
+    This is an automatically built version of the FluxEngine Windows client
+    which is generated whenever a significant checkin has happened. It's had
+    no testing whatsoever.
+
+    To use, download it, put it somewhere, and then run it from a cmd window
+    or other command line shell.
   provider: GitHub
   auth_token:
     secure: dfJjj7fWCoDUz+Ni11OcNPB/U3TNJFwNA2AsL++ChFjniUsZLlC6SDWHiL/t4FZo
-  artifact: fluxengine.exe
+  artifact: fluxengine.zip
   draft: false
   prerelease: false
   on:

doc/building.md

@@ -139,6 +139,11 @@ the port and proceed normally.
 
 ## Building the client
 
+**Before you read this:** If you're on Windows, good news! You can download a
+*precompiled version of the FluxEngine client [from the GitHub releases
+*page](https://github.com/davidgiven/fluxengine/releases/latest). Simply unzip
+*it somewhere and run it from a `cmd` window (or other shell).
+
 The client software is where the intelligence, such as it is, is. It's pretty
 generic libusb stuff and should build and run on Windows, Linux and OSX as
 well, although on Windows it'll need MSYS2 and mingw32. You'll need to