1 files changed, 51 insertions, 9 deletions
diff --git a/windows/readme.md b/windows/readme.md
index 8753b70..dce5202 100644
--- a/windows/readme.md
+++ b/windows/readme.md
@@ -1,11 +1,53 @@
-# Building on Windows with Visual Studio 2013
+# Building on Windows with Visual Studio 2015
 
-Open the VS2013 x64 Native Tools Command Prompt. 2012 will *not* work.
-Change to the gd-libgd folder.
-git clone https://github.com/imazen/gd-win-dependencies into the folder. 
-Run 
-nmake /f windows/Makefile.vc all
-nmake /f windows/Makefile.vc check
+* Get the required dependencies from
+  http://windows.php.net/downloads/php-sdk/deps/vc14/ and
+  http://windows.php.net/downloads/pecl/deps/, respectively. Choose the x86 or
+  x64 packages depending on your needs.
 
-Before rebuilding, run:
-nmake /f windows/Makefile.vc clean 
-\ No newline at end of file
+  * freetype
+  * libiconv
+  * libjpeg
+  * libpng
+  * libtiff
+  * libwebp
+  * libxpm
+  * zlib
+
+* Unpack all dependency packages into the same folder.
+
+* Open the VS2015 x86 or x64 Native Tools Command Prompt.
+
+* Set the environment variable `WITH_DEVEL` to the path where you have unpacked
+  the dependencies. `WITH_DEVEL` defaults to `..\deps`.
+
+* If you want a debug build, do
+````
+set DEBUG=1
+````
+
+* `cd` into the libgd source folder.
+
+* To build the libraries, do:
+```
+nmake /f windows\Makefile.vc
+```
+
+* To build and run the tests, do:
+````
+nmake /f windows\Makefile.vc check
+````
+
+* To build the executable programs, do:
+````
+nmake /f windows\Makefile.vc build_progs
+````
+
+* After a successful build, you find the libraries and test executables in
+  `..\gdbuild`. You can change the build folder by setting the environment
+  variable `WITH_BUILD` to the desired path.
+
+* Before rebuilding, you may have to run:
+```
+nmake /f windows\Makefile.vc clean
+```