commit https://github.com/vim/vim/commit/942d6b22686858c9e72f8b8929df5c288170179c Author: Bram Moolenaar <Bram@vim.org> Date: Sun Feb 7 19:57:16 2016 +0100 patch 7.4.1283 Problem: The job feature isn't available on MS-Windows. Solution: Add the job feature. Fix argument of job_stop(). (Yasuhiro Matsumoto)

--- a/src/feature.h
+++ b/src/feature.h
@@ -1262,9 +1262,9 @@
 #endif
 
 /*
- * The +job feature requires Unix and +eval.
+ * The +job feature requires +eval and Unix or MS-Widndows.
  */
-#if defined(UNIX) && defined(FEAT_EVAL)
+#if (defined(UNIX) || defined(WIN32)) && defined(FEAT_EVAL)
 # define FEAT_JOB
 #endif