diff --git a/lib/serverengine/multi_spawn_server.rb b/lib/serverengine/multi_spawn_server.rb
index 36dec33..cef1227 100644
--- a/lib/serverengine/multi_spawn_server.rb
+++ b/lib/serverengine/multi_spawn_server.rb
@@ -19,12 +19,21 @@ module ServerEngine
 
   class MultiSpawnServer < MultiWorkerServer
     def initialize(worker_module, load_config_proc={}, &block)
-      @pm = ProcessManager.new(
-        auto_tick: false,
-        graceful_kill_signal: Daemon::Signals::GRACEFUL_STOP,
-        immediate_kill_signal: Daemon::Signals::IMMEDIATE_STOP,
-        enable_heartbeat: false,
-      )
+      if ServerEngine.windows?
+        @pm = ProcessManager.new(
+          auto_tick: false,
+          graceful_kill_signal: Daemon::Signals::GRACEFUL_STOP,
+          immediate_kill_signal: false,
+          enable_heartbeat: false,
+        )
+      else
+        @pm = ProcessManager.new(
+          auto_tick: false,
+          graceful_kill_signal: Daemon::Signals::GRACEFUL_STOP,
+          immediate_kill_signal: Daemon::Signals::IMMEDIATE_STOP,
+          enable_heartbeat: false,
+        )
+      end
 
       super(worker_module, load_config_proc, &block)
 
diff --git a/lib/serverengine/process_manager.rb b/lib/serverengine/process_manager.rb
index ee91e83..96ef713 100644
--- a/lib/serverengine/process_manager.rb
+++ b/lib/serverengine/process_manager.rb
@@ -18,6 +18,9 @@
 module ServerEngine
 
   require 'fcntl'
+  if ServerEngine.windows?
+    require 'win32/pipe'
+  end
 
   class ProcessManager
     def initialize(config={})
@@ -146,9 +149,18 @@ def spawn(*args)
       rpipe, wpipe = new_pipe_pair
 
       begin
-        options[[wpipe.fileno]] = wpipe
-        if @enable_heartbeat
-          env['SERVERENGINE_HEARTBEAT_PIPE'] = wpipe.fileno.to_s
+
+        if ServerEngine.windows?
+          pipe_name = "SERVERENGINE_HEARTBEAT_PIPE_%016X" % Random.new.rand(2**128)
+          rpipe = Win32::Pipe::Server.new(pipe_name, 0, Win32::Pipe::ACCESS_DUPLEX | Win32::Pipe::FILE_FLAG_OVERLAPPED)
+          if @enable_heartbeat
+            env['SERVERENGINE_HEARTBEAT_PIPE'] = pipe_name
+          end
+        else
+          options[[wpipe.fileno]] = wpipe
+          if @enable_heartbeat
+            env['SERVERENGINE_HEARTBEAT_PIPE'] = wpipe.fileno.to_s
+          end
         end
 
         pid = Process.spawn(env, *args, options)
@@ -204,14 +216,26 @@ def tick(blocking_timeout=0)
         return nil
       end
 
-      ready_pipes, _, _ = IO.select(@rpipes.keys, nil, nil, blocking_timeout)
+      if ServerEngine.windows?
+        # TODO: should use WaitForMultipleObjects?
+        ready_pipes = @rpipes.keys
+      else
+        ready_pipes, _, _ = IO.select(@rpipes.keys, nil, nil, blocking_timeout)
+      end
 
       time ||= Time.now
 
       if ready_pipes
         ready_pipes.each do |r|
           begin
-            r.read_nonblock(1024, @read_buffer)
+            if ServerEngine.windows?
+              read_flag = r.read
+              if read_flag
+                @read_buffer = r.buffer
+              end
+            else
+              r.read_nonblock(1024, @read_buffer)
+            end
           rescue Errno::EAGAIN, Errno::EINTR
             next
           rescue #EOFError
diff --git a/lib/serverengine/server.rb b/lib/serverengine/server.rb
index 0c9d6f1..79f279e 100644
--- a/lib/serverengine/server.rb
+++ b/lib/serverengine/server.rb
@@ -66,12 +66,14 @@ def install_signal_handlers
       s = self
       SignalThread.new do |st|
         st.trap(Daemon::Signals::GRACEFUL_STOP) { s.stop(true) }
-        st.trap(Daemon::Signals::IMMEDIATE_STOP) { s.stop(false) }
-        st.trap(Daemon::Signals::GRACEFUL_RESTART) { s.restart(true) }
-        st.trap(Daemon::Signals::IMMEDIATE_RESTART) { s.restart(false) }
-        st.trap(Daemon::Signals::RELOAD) { s.reload }
         st.trap(Daemon::Signals::DETACH) { s.stop(true) }
-        st.trap(Daemon::Signals::DUMP) { Sigdump.dump }
+        unless ServerEngine.windows?
+          st.trap(Daemon::Signals::IMMEDIATE_STOP) { s.stop(false) }
+          st.trap(Daemon::Signals::GRACEFUL_RESTART) { s.restart(true) }
+          st.trap(Daemon::Signals::IMMEDIATE_RESTART) { s.restart(false) }
+          st.trap(Daemon::Signals::RELOAD) { s.reload }
+          st.trap(Daemon::Signals::DUMP) { Sigdump.dump }
+        end
       end
     end
 
diff --git a/lib/serverengine/utils.rb b/lib/serverengine/utils.rb
index eb9cefd..f8a00c1 100644
--- a/lib/serverengine/utils.rb
+++ b/lib/serverengine/utils.rb
@@ -17,6 +17,13 @@
 #
 module ServerEngine
 
+  IS_WINDOWS = /mswin|mingw/ === RUBY_PLATFORM
+  private_constant :IS_WINDOWS
+
+  def self.windows?
+    IS_WINDOWS
+  end
+
   module ClassMethods
     def dump_uncaught_error(e)
       STDERR.write "Unexpected error #{e}\n"
diff --git a/serverengine.gemspec b/serverengine.gemspec
index cafc8cc..753855c 100644
--- a/serverengine.gemspec
+++ b/serverengine.gemspec
@@ -20,6 +20,7 @@ Gem::Specification.new do |gem|
   gem.required_ruby_version = ">= 1.9.3"
 
   gem.add_dependency "sigdump", ["~> 0.2.2"]
+  gem.add_runtime_dependency("win32-pipe", ["~> 0.3.6"])
 
   gem.add_development_dependency "rake", [">= 0.9.2"]
   gem.add_development_dependency "rspec", ["~> 2.13.0"]