diff --git a/ZeroTierOne.vcxproj b/ZeroTierOne.vcxproj
index 28ba129b6..866c9d50a 100644
--- a/ZeroTierOne.vcxproj
+++ b/ZeroTierOne.vcxproj
@@ -35,11 +35,13 @@
       <Optimization>Disabled</Optimization>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <RuntimeTypeInfo>false</RuntimeTypeInfo>
+      <AdditionalIncludeDirectories>ext\bin\libcrypto\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <TargetMachine>MachineX86</TargetMachine>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Windows</SubSystem>
+      <AdditionalDependencies>ext\bin\libcrypto\win32-vs2012\libeay32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
   </ItemDefinitionGroup>
   <ItemGroup>
diff --git a/ext/bin/libcrypto/win32-vs2012/libeay32.lib b/ext/bin/libcrypto/win32-vs2012/libeay32.lib
new file mode 100644
index 000000000..53d90bf3c
Binary files /dev/null and b/ext/bin/libcrypto/win32-vs2012/libeay32.lib differ
diff --git a/ext/bin/libcrypto/win32-vs2012/libeay32d.lib b/ext/bin/libcrypto/win32-vs2012/libeay32d.lib
new file mode 100644
index 000000000..02d4eaf92
Binary files /dev/null and b/ext/bin/libcrypto/win32-vs2012/libeay32d.lib differ
diff --git a/ext/bin/libcrypto/win32-vs2012/ssleay32.lib b/ext/bin/libcrypto/win32-vs2012/ssleay32.lib
new file mode 100644
index 000000000..ef99d18d7
Binary files /dev/null and b/ext/bin/libcrypto/win32-vs2012/ssleay32.lib differ
diff --git a/ext/bin/libcrypto/win32-vs2012/ssleay32d.lib b/ext/bin/libcrypto/win32-vs2012/ssleay32d.lib
new file mode 100644
index 000000000..5d42119c5
Binary files /dev/null and b/ext/bin/libcrypto/win32-vs2012/ssleay32d.lib differ
diff --git a/ext/bin/libcrypto/win64-vs2012/libeay32.lib b/ext/bin/libcrypto/win64-vs2012/libeay32.lib
new file mode 100644
index 000000000..bbc8edbc7
Binary files /dev/null and b/ext/bin/libcrypto/win64-vs2012/libeay32.lib differ
diff --git a/ext/bin/libcrypto/win64-vs2012/libeay32d.lib b/ext/bin/libcrypto/win64-vs2012/libeay32d.lib
new file mode 100644
index 000000000..9b3bb518c
Binary files /dev/null and b/ext/bin/libcrypto/win64-vs2012/libeay32d.lib differ
diff --git a/ext/bin/libcrypto/win64-vs2012/ssleay32.lib b/ext/bin/libcrypto/win64-vs2012/ssleay32.lib
new file mode 100644
index 000000000..1a7daa511
Binary files /dev/null and b/ext/bin/libcrypto/win64-vs2012/ssleay32.lib differ
diff --git a/ext/bin/libcrypto/win64-vs2012/ssleay32d.lib b/ext/bin/libcrypto/win64-vs2012/ssleay32d.lib
new file mode 100644
index 000000000..aa9ed5f7e
Binary files /dev/null and b/ext/bin/libcrypto/win64-vs2012/ssleay32d.lib differ
diff --git a/node/EllipticCurveKeyPair.cpp b/node/EllipticCurveKeyPair.cpp
index 66acf3204..d2e2920a7 100644
--- a/node/EllipticCurveKeyPair.cpp
+++ b/node/EllipticCurveKeyPair.cpp
@@ -25,7 +25,6 @@
  * LLC. Start here: http://www.zerotier.com/
  */
 
-#include <iostream>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/node/Identity.cpp b/node/Identity.cpp
index 1f5448a96..66ddae04b 100644
--- a/node/Identity.cpp
+++ b/node/Identity.cpp
@@ -25,7 +25,6 @@
  * LLC. Start here: http://www.zerotier.com/
  */
 
-#include <iostream>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/node/Node.cpp b/node/Node.cpp
index 2cacab569..f01f4659b 100644
--- a/node/Node.cpp
+++ b/node/Node.cpp
@@ -343,7 +343,11 @@ Node::ReasonForTermination Node::run()
 		Utils::rm((_r->homePath + ZT_PATH_SEPARATOR_S + "thisdeviceismine"));
 
 		// Make sure networks.d exists
+#ifdef __WINDOWS__
+		CreateDirectory((_r->homePath + ZT_PATH_SEPARATOR_S + "networks.d").c_str(),NULL);
+#else
 		mkdir((_r->homePath + ZT_PATH_SEPARATOR_S + "networks.d").c_str(),0700);
+#endif
 
 		// Load or generate config authentication secret
 		std::string configAuthTokenPath(_r->homePath + ZT_PATH_SEPARATOR_S + "authtoken.secret");
diff --git a/node/NodeConfig.cpp b/node/NodeConfig.cpp
index 87f85c226..427f963bb 100644
--- a/node/NodeConfig.cpp
+++ b/node/NodeConfig.cpp
@@ -49,6 +49,10 @@
 #include "Salsa20.hpp"
 #include "HMAC.hpp"
 
+#ifdef __WINDOWS__
+#define strtoull _strtoui64
+#endif
+
 namespace ZeroTier {
 
 NodeConfig::NodeConfig(const RuntimeEnvironment *renv,const char *authToken)
diff --git a/node/Switch.cpp b/node/Switch.cpp
index 0b3cdf6d1..d5c62994a 100644
--- a/node/Switch.cpp
+++ b/node/Switch.cpp
@@ -27,6 +27,7 @@
 
 #include <stdio.h>
 #include <stdlib.h>
+
 #include <algorithm>
 #include <utility>
 #include <stdexcept>
diff --git a/node/SysEnv.cpp b/node/SysEnv.cpp
index 016e9caa2..20b8e7d1c 100644
--- a/node/SysEnv.cpp
+++ b/node/SysEnv.cpp
@@ -30,17 +30,23 @@
 #include <string.h>
 #include <fcntl.h>
 #include <errno.h>
-#include <sys/socket.h>
 #include <sys/types.h>
-#include <arpa/inet.h>
 #include <set>
 #include <string>
 
+#include "Constants.hpp"
 #include "SysEnv.hpp"
 #include "Utils.hpp"
 #include "RuntimeEnvironment.hpp"
 #include "NodeConfig.hpp"
 
+#ifdef __UNIX_LIKE__
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <unistd.h>
+#include <signal.h>
+#endif
+
 #ifdef __APPLE__
 #include <sys/sysctl.h>
 #include <sys/uio.h>
@@ -48,11 +54,9 @@
 #include <net/route.h>
 #endif
 
-#ifdef _WIN32
+#ifdef __WINDOWS__
 #include <Windows.h>
-#else
-#include <unistd.h>
-#include <signal.h>
+#include <WinSock2.h>
 #endif
 
 namespace ZeroTier {
@@ -210,10 +214,15 @@ uint64_t SysEnv::getNetworkConfigurationFingerprint()
 
 #endif // __linux__
 
-#ifdef _WIN32
+#ifdef __WINDOWS__
 
-not implemented yet;
+uint64_t SysEnv::getNetworkConfigurationFingerprint()
+	throw()
+{
+	// TODO: windows version
+	return 1;
+}
 
-#endif // _WIN32
+#endif // __WINDOWS__
 
 } // namespace ZeroTier
diff --git a/node/Topology.cpp b/node/Topology.cpp
index 0745c8f64..71d73a9d8 100644
--- a/node/Topology.cpp
+++ b/node/Topology.cpp
@@ -26,6 +26,7 @@
  */
 
 #include <algorithm>
+
 #include "Topology.hpp"
 #include "NodeConfig.hpp"
 #include "CMWC4096.hpp"
diff --git a/node/Utils.cpp b/node/Utils.cpp
index 833285560..e8561b4c3 100644
--- a/node/Utils.cpp
+++ b/node/Utils.cpp
@@ -221,9 +221,20 @@ static const char *MONTH_NAMES[12] = { "Jan","Feb","Mar","Apr","May","Jun","Jul"
 
 std::map<std::string,bool> Utils::listDirectory(const char *path)
 {
+	std::map<std::string,bool> r;
+
+#ifdef __WINDOWS__
+	HANDLE hFind;
+	WIN32_FIND_DATA ffd;
+	if ((hFind = FindFirstFile((std::string(path) + "\\*").c_str(),&ffd)) != INVALID_HANDLE_VALUE) {
+		do {
+			r[std::string(ffd.cFileName)] = ((ffd.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) != 0);
+		} while (FindNextFile(hFind,&ffd));
+		FindClose(hFind);
+	}
+#else
 	struct dirent de;
 	struct dirent *dptr;
-	std::map<std::string,bool> r;
 
 	DIR *d = opendir(path);
 	if (!d)
@@ -238,6 +249,7 @@ std::map<std::string,bool> Utils::listDirectory(const char *path)
 				r[std::string(dptr->d_name)] = (dptr->d_type == DT_DIR);
 		} else break;
 	}
+#endif
 
 	return r;
 }
@@ -434,11 +446,43 @@ std::string Utils::toRfc1123(uint64_t t64)
 	struct tm t;
 	char buf[128];
 	time_t utc = (time_t)(t64 / 1000ULL);
+#ifdef __WINDOWS__
+	gmtime_s(&t,&utc);
+#else
 	gmtime_r(&utc,&t);
+#endif
 	sprintf(buf,"%3s, %02d %3s %4d %02d:%02d:%02d GMT",DAY_NAMES[t.tm_wday],t.tm_mday,MONTH_NAMES[t.tm_mon],t.tm_year + 1900,t.tm_hour,t.tm_min,t.tm_sec);
 	return std::string(buf);
 }
 
+#ifdef __WINDOWS__
+static int is_leap(unsigned y) {
+        y += 1900;
+        return (y % 4) == 0 && ((y % 100) != 0 || (y % 400) == 0);
+}
+static time_t timegm(struct tm *tm) {
+        static const unsigned ndays[2][12] = {
+                {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31},
+                {31, 29, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31}
+        };
+        time_t res = 0;
+        int i;
+        for (i = 70; i < tm->tm_year; ++i)
+                res += is_leap(i) ? 366 : 365;
+
+        for (i = 0; i < tm->tm_mon; ++i)
+                res += ndays[is_leap(tm->tm_year)][i];
+        res += tm->tm_mday - 1;
+        res *= 24;
+        res += tm->tm_hour;
+        res *= 60;
+        res += tm->tm_min;
+        res *= 60;
+        res += tm->tm_sec;
+        return res;
+}
+#endif
+
 uint64_t Utils::fromRfc1123(const char *tstr)
 {
 	struct tm t;
@@ -453,15 +497,25 @@ uint64_t Utils::fromRfc1123(const char *tstr)
 
 	wdays[3] = '\0';
 	for(t.tm_wday=0;t.tm_wday<7;++t.tm_wday) {
+#ifdef __WINDOWS__
+		if (!_stricmp(DAY_NAMES[t.tm_wday],wdays))
+			break;
+#else
 		if (!strcasecmp(DAY_NAMES[t.tm_wday],wdays))
 			break;
+#endif
 	}
 	if (t.tm_wday == 7)
 		return 0;
 	mons[3] = '\0';
 	for(t.tm_mon=0;t.tm_mon<12;++t.tm_mon) {
+#ifdef __WINDOWS__
+		if (!_stricmp(MONTH_NAMES[t.tm_mday],mons))
+			break;
+#else
 		if (!strcasecmp(MONTH_NAMES[t.tm_mday],mons))
 			break;
+#endif
 	}
 	if (t.tm_mon == 12)
 		return 0;
@@ -471,6 +525,7 @@ uint64_t Utils::fromRfc1123(const char *tstr)
 	t.tm_isdst = 0; // ignored by timegm
 
 	time_t utc = timegm(&t);
+
 	return ((utc > 0) ? (1000ULL * (uint64_t)utc) : 0ULL);
 }
 
diff --git a/node/Utils.hpp b/node/Utils.hpp
index 8f5e70065..00564ae69 100644
--- a/node/Utils.hpp
+++ b/node/Utils.hpp
@@ -32,8 +32,6 @@
 #include <stdlib.h>
 #include <stdint.h>
 #include <time.h>
-#include <sys/time.h>
-#include <arpa/inet.h>
 
 #include <string>
 #include <stdexcept>
@@ -44,9 +42,12 @@
 #include "../ext/lz4/lz4hc.h"
 
 #ifdef __WINDOWS__
-#include <windows.h>
+#include <Windows.h>
+#include <WinSock2.h>
 #else
 #include <unistd.h>
+#include <sys/time.h>
+#include <arpa/inet.h>
 #endif
 
 #include "Constants.hpp"
@@ -74,7 +75,7 @@ public:
 		throw()
 	{
 #ifdef __WINDOWS__
-		foo;
+		DeleteFile(path);
 #else
 		return (unlink(path) == 0);
 #endif
@@ -342,9 +343,20 @@ public:
 	static inline uint64_t now()
 		throw()
 	{
+#ifdef __WINDOWS__
+		FILETIME ft;
+		SYSTEMTIME st;
+		ULARGE_INTEGER tmp;
+		GetSystemTime(&st);
+		SystemTimeToFileTime(&st,&ft);
+		tmp.LowPart = ft.dwLowDateTime;
+		tmp.HighPart = ft.dwHighDateTime;
+		return ( ((tmp.QuadPart - 116444736000000000ULL) / 10000L) + st.wMilliseconds );
+#else
 		struct timeval tv;
 		gettimeofday(&tv,(struct timezone *)0);
 		return ( (1000ULL * (uint64_t)tv.tv_sec) + (uint64_t)(tv.tv_usec / 1000) );
+#endif
 	};
 
 	/**
@@ -353,9 +365,20 @@ public:
 	static inline double nowf()
 		throw()
 	{
+#ifdef __WINDOWS__
+		FILETIME ft;
+		SYSTEMTIME st;
+		ULARGE_INTEGER tmp;
+		GetSystemTime(&st);
+		SystemTimeToFileTime(&st,&ft);
+		tmp.LowPart = ft.dwLowDateTime;
+		tmp.HighPart = ft.dwHighDateTime;
+		return (((double)(tmp.QuadPart - 116444736000000000ULL)) / 10000000.0);
+#else
 		struct timeval tv;
 		gettimeofday(&tv,(struct timezone *)0);
 		return ( ((double)tv.tv_sec) + (((double)tv.tv_usec) / 1000000.0) );
+#endif
 	}
 
 	/**