diff --git a/src/d_main.cpp b/src/d_main.cpp
index 73450cc0a5..15fcaada34 100644
--- a/src/d_main.cpp
+++ b/src/d_main.cpp
@@ -118,6 +118,7 @@
 #include "vm.h"
 #include "types.h"
 #include "r_data/r_vanillatrans.h"
+#include "d_stats.cpp"
 
 EXTERN_CVAR(Bool, hud_althud)
 void DrawHUD();
@@ -2744,6 +2745,8 @@ void D_DoomMain (void)
 			setmodeneeded = false;			// This may be set to true here, but isn't needed for a restart
 		}
 
+		D_DoAnonStats();
+
 		if (I_FriendlyWindowTitle)
 			I_SetWindowTitle(DoomStartupInfo.Name.GetChars());
 
diff --git a/src/d_stats.cpp b/src/d_stats.cpp
new file mode 100644
index 0000000000..797cd3ccc4
--- /dev/null
+++ b/src/d_stats.cpp
@@ -0,0 +1,52 @@
+#if defined(_WIN32)
+#include <thread>
+
+EXTERN_CVAR(Bool, gl_legacy_mode)
+EXTERN_CVAR(Bool, vid_glswfb)
+extern int currentrenderer, sys_ostype, restart;
+CVAR(String, sys_statshost, "gzstats.drdteam.org", CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
+CVAR(Int, sys_statsport, 80, CVAR_ARCHIVE|CVAR_GLOBALCONFIG)
+void D_DoHTTPRequest(char* request);
+
+#endif
+
+void D_DoAnonStats()
+{
+#if defined(_WIN32)
+	uint8_t astat_render, astat_sysbits;
+	static char* requeststring = new char[512];
+	// astat_render:
+	//  0: Unaccelerated (Software)
+	//  1: Direct3D (Software)
+	//  2: OpenGL (Software)
+	//  3: Legacy OpenGL mode
+	//  4: Modern OpenGL (>3.3) path
+
+	// sys_ostype:
+	//  0: unknown/outdated
+	//  1: legacy (XP/Vista)
+	//  2: supported (7/8/8.1)
+	//  3: modern (10+)
+
+	// astat_sysbits:
+	//  0: 32-bit
+	//  1: 64-bit
+
+	if (!restart)
+	{
+		astat_render = (currentrenderer == 1) ?
+			(gl_legacy_mode ? 3 : 4) : // opengl
+			(!(screen->Accel2D)) ? 0 : (vid_glswfb ? 2 : 1); // software
+#ifdef _WIN64
+		astat_sysbits = 1;
+#else
+		astat_sysbits = 0;
+#endif
+		sprintf(requeststring, "GET /stats.php?render=%i&bits=%i&os=%i HTTP/1.1\nHost: %s\nConnection: close\nUser-Agent: %s %s\n\n",
+			astat_render, astat_sysbits, sys_ostype, sys_statshost.GetHumanString(), GAMENAME, VERSIONSTR);
+		//Printf("%s", requeststring);
+		std::thread t1(D_DoHTTPRequest, requeststring);
+		t1.detach();
+	}
+#endif
+}
diff --git a/src/win32/hardware.cpp b/src/win32/hardware.cpp
index 58a611d3e7..df0bb3cdb8 100644
--- a/src/win32/hardware.cpp
+++ b/src/win32/hardware.cpp
@@ -510,3 +510,48 @@ CCMD (vid_currentmode)
 	Printf ("%dx%dx%d\n", DisplayWidth, DisplayHeight, DisplayBits);
 }
 
+
+#include <winsock2.h>
+EXTERN_CVAR(String, sys_statshost)
+EXTERN_CVAR(Int, sys_statsport)
+
+void D_DoHTTPRequest(char* request)
+{
+	if (sys_statshost.GetHumanString() == NULL)
+		return; // no host, disable
+
+	WSADATA wsaData;
+	if (WSAStartup(MAKEWORD(2, 2), &wsaData) != 0)
+	{
+		DPrintf(DMSG_ERROR, "WSAStartup failed.\n");
+		return;
+	}
+	SOCKET Socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+	struct hostent *host;
+	host = gethostbyname(sys_statshost.GetHumanString());
+	SOCKADDR_IN SockAddr;
+	SockAddr.sin_port = htons(sys_statsport);
+	SockAddr.sin_family = AF_INET;
+	SockAddr.sin_addr.s_addr = *((uint32_t*)host->h_addr);
+	DPrintf(DMSG_NOTIFY, "Connecting to host %s\n", sys_statshost.GetHumanString());
+	if (connect(Socket, (SOCKADDR*)(&SockAddr), sizeof(SockAddr)) != 0)
+	{
+		DPrintf(DMSG_ERROR, "Connection to host %s failed!\n", sys_statshost.GetHumanString());
+		return;
+	}
+	send(Socket, request, strlen(request), 0);
+	char buffer[1024];
+	int nDataLength;
+	while ((nDataLength = recv(Socket, buffer, 1024, 0)) > 0)
+	{
+		int i = 0;
+		while (buffer[i] >= 32 || buffer[i] == '\n' || buffer[i] == '\r')
+		{
+			i++;
+		}
+	}
+	closesocket(Socket);
+	WSACleanup();
+	DPrintf(DMSG_NOTIFY, "Stats send successful.\n");
+	return;
+}
diff --git a/src/win32/i_system.cpp b/src/win32/i_system.cpp
index a537329e40..ba829d959c 100644
--- a/src/win32/i_system.cpp
+++ b/src/win32/i_system.cpp
@@ -154,6 +154,7 @@ uint32_t LanguageIDs[4];
 UINT TimerPeriod;
 
 bool gameisdead;
+int sys_ostype = 0;
 
 // PRIVATE DATA DEFINITIONS ------------------------------------------------
 
@@ -229,10 +230,12 @@ void I_DetectOS(void)
 			if (info.dwMinorVersion == 1)
 			{
 				osname = "XP";
+				sys_ostype = 1; // legacy OS
 			}
 			else if (info.dwMinorVersion == 2)
 			{
 				osname = "Server 2003";
+				sys_ostype = 1; // legacy OS
 			}
 		}
 		else if (info.dwMajorVersion == 6)
@@ -240,10 +243,12 @@ void I_DetectOS(void)
 			if (info.dwMinorVersion == 0)
 			{
 				osname = (info.wProductType == VER_NT_WORKSTATION) ? "Vista" : "Server 2008";
+				sys_ostype = 1; // legacy OS
 			}
 			else if (info.dwMinorVersion == 1)
 			{
 				osname = (info.wProductType == VER_NT_WORKSTATION) ? "7" : "Server 2008 R2";
+				sys_ostype = 2; // supported OS
 			}
 			else if (info.dwMinorVersion == 2)	
 			{
@@ -251,16 +256,23 @@ void I_DetectOS(void)
 				// the highest version of Windows you support, which will also be the
 				// highest version of Windows this function returns.
 				osname = (info.wProductType == VER_NT_WORKSTATION) ? "8" : "Server 2012";
+				sys_ostype = 2; // supported OS
 			}
 			else if (info.dwMinorVersion == 3)
 			{
 				osname = (info.wProductType == VER_NT_WORKSTATION) ? "8.1" : "Server 2012 R2";
+				sys_ostype = 2; // supported OS
 			}
 			else if (info.dwMinorVersion == 4)
 			{
-				osname = (info.wProductType == VER_NT_WORKSTATION) ? "10 (or higher)" : "Server 10 (or higher)";
+				osname = (info.wProductType == VER_NT_WORKSTATION) ? "10 (beta)" : "Server 10 (beta)";
 			}
 		}
+		else if (info.dwMajorVersion == 10)
+		{
+			osname = (info.wProductType == VER_NT_WORKSTATION) ? "10 (or higher)" : "Server 10 (or higher)";
+			sys_ostype = 3; // modern OS
+		}
 		break;
 
 	default: