diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 7186d049c..990f6ee3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -39,6 +39,7 @@ jobs:
           - x86_64-linux-nowallet
           - x86_64-macos
           - x86_64-win
+          - x86_64-win-experimental
           - x86_64-linux-experimental
         include:
           - name: i686-linux
@@ -150,6 +151,24 @@ jobs:
             dep-opts: ""
             config-opts: "--enable-gui=qt5"
             goal: install
+          - name: x86_64-win-experimental
+            host: x86_64-w64-mingw32
+            arch: "i386"
+            os: ubuntu-18.04
+            packages: python3 nsis g++-mingw-w64-x86-64 wine64 bc wine-binfmt
+            postinstall: |
+              sudo dpkg -s mono-runtime && sudo apt-get remove mono-runtime || echo "Very nothing to uninstall."
+              sudo update-alternatives --set x86_64-w64-mingw32-gcc  /usr/bin/x86_64-w64-mingw32-gcc-posix
+              sudo update-alternatives --set x86_64-w64-mingw32-g++  /usr/bin/x86_64-w64-mingw32-g++-posix
+              sudo update-binfmts --import /usr/share/binfmts/wine
+            run-bench: false
+            test-script: |
+              make check $MAKEJOBS VERBOSE=1
+            check-security: true
+            check-symbols: false
+            dep-opts: "AVX2=1 MINGW=1"
+            config-opts: "--with-intel-avx2 --enable-gui=qt5"
+            goal: install
           - name: x86_64-macos
             host: x86_64-apple-darwin11
             os: ubuntu-18.04
@@ -164,7 +183,7 @@ jobs:
             sdk: 10.11
             sdk-shasum: "bec9d089ebf2e2dd59b1a811a38ec78ebd5da18cbbcd6ab39d1e59f64ac5033f"
           - name: x86_64-linux-experimental
-            host: x86_64-unknown-linux-gnu
+            host: x86_64-linux-gnu
             os: ubuntu-18.04
             packages: bc python3-zmq
             run-bench: true
diff --git a/configure.ac b/configure.ac
index ad26d3050..badc9ccc6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -725,16 +725,6 @@ BOOST_LIBS="$BOOST_LDFLAGS $BOOST_SYSTEM_LIB $BOOST_FILESYSTEM_LIB $BOOST_PROGRA
 
 fi
 
-if test x$intel_avx2 = xyes; then
-  case $host in
-     x86_64-*-linux*)
-    AC_CHECK_LIB([IPSec_MB],[sha1_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
-    AC_CHECK_LIB([IPSec_MB],[sha256_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
-    AC_CHECK_LIB([IPSec_MB],[sha512_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
-    AC_DEFINE(USE_AVX2, 1, [Define this symbol if intel axv2 works])
-esac
-fi
-
 if test x$armv8_crypto = xyes; then
   AC_MSG_CHECKING([whether to build with armv8 crypto])
   AC_MSG_RESULT(yes)
@@ -822,6 +812,43 @@ else
   fi
 fi
 
+if test x$intel_avx2 = xyes; then
+  case $host in
+     x86_64-*-linux*)
+    AC_CHECK_LIB([IPSec_MB],[sha1_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
+    AC_CHECK_LIB([IPSec_MB],[sha256_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
+    AC_CHECK_LIB([IPSec_MB],[sha512_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
+    AC_DEFINE(USE_AVX2, 1, [Define this symbol if intel axv2 works])
+;;
+    *mingw*)
+    AC_CHECK_LIB([IPSec_MB],[sha1_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
+    AC_CHECK_LIB([IPSec_MB],[sha256_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
+    AC_CHECK_LIB([IPSec_MB],[sha512_one_block_avx2],LIBS=-lIPSec_MB, AC_MSG_ERROR(IPSec_MB missing))
+    AC_CHECK_LIB([Qt5PlatformSupport],[main],LIBS+=" -lQt5PlatformSupport", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([mingwthrd],         [main],LIBS+=" -lmingwthrd", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([kernel32],          [main],LIBS+=" -lkernel32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([user32],            [main],LIBS+=" -luser32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([gdi32],             [main],LIBS+=" -lgdi32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([comdlg32],          [main],LIBS+=" -lcomdlg32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([winspool],          [main],LIBS+=" -lwinspool", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([winmm],             [main],LIBS+=" -lwinmm", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([shell32],           [main],LIBS+=" -lshell32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([comctl32],          [main],LIBS+=" -lcomctl32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([ole32],             [main],LIBS+=" -lole32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([oleaut32],          [main],LIBS+=" -loleaut32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([uuid],              [main],LIBS+=" -luuid", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([rpcrt4],            [main],LIBS+=" -lrpcrt4", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([advapi32],          [main],LIBS+=" -ladvapi32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([ws2_32],            [main],LIBS+=" -lws2_32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([mswsock],           [main],LIBS+=" -lmswsock", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([shlwapi],           [main],LIBS+=" -lshlwapi", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([iphlpapi],          [main],LIBS+=" -liphlpapi", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([crypt32],           [main],LIBS+=" -lcrypt32", AC_MSG_ERROR(lib missing))
+    AC_CHECK_LIB([ssp],               [main],LIBS+=" -lssp", AC_MSG_ERROR(lib missing))
+    AC_DEFINE(USE_AVX2, 1, [Define this symbol if intel axv2 works])
+esac
+fi
+
 save_CXXFLAGS="${CXXFLAGS}"
 CXXFLAGS="${CXXFLAGS} ${CRYPTO_CFLAGS} ${SSL_CFLAGS}"
 AC_CHECK_DECLS([EVP_MD_CTX_new],,,[AC_INCLUDES_DEFAULT
diff --git a/depends/packages/intel-ipsec-mb.mk b/depends/packages/intel-ipsec-mb.mk
index 881803fb1..29013eb37 100644
--- a/depends/packages/intel-ipsec-mb.mk
+++ b/depends/packages/intel-ipsec-mb.mk
@@ -1,19 +1,20 @@
 package=intel-ipsec-mb
-$(package)_version=1.0
+$(package)_version=1.2
 $(package)_download_path=https://github.com/intel/intel-ipsec-mb/archive/refs/tags
 $(package)_file_name=v$($(package)_version).tar.gz
-$(package)_sha256_hash=03501aea472d3c8fdf8f1f207816eefeaf5e4ebbdc71d88dcb26b2519841bb74
+$(package)_sha256_hash=f680b28369d02dc0978eb9b4bee6da9a132d66c666298e087a2b3e247548d99e
 $(package)_patches=remove_digest_init.patch
 $(package)_dependencies=native_nasm
 
+define $(package)_set_vars
+$(package)_build_opts=CC=$(host)-gcc
+$(package)_build_opts+=LDFLAGS="-fstack-protector"
+endef
+
 define $(package)_preprocess_cmds
   patch -p1 < $($(package)_patch_dir)/remove_digest_init.patch
 endef
 
-define $(package)_build_cmds
-  $(MAKE) NASM=$(build_prefix)/bin/nasm
-endef
-
 define $(package)_stage_cmds
-  $(MAKE) NASM=$(build_prefix)/bin/nasm PREFIX=$($(package)_staging_prefix_dir) SHARED=n NOLDCONFIG=y install
+  $(MAKE) NASM=$(build_prefix)/bin/nasm PREFIX=$($(package)_staging_prefix_dir) SHARED=n NOLDCONFIG=y install $($(package)_build_opts)
 endef
diff --git a/depends/packages/native_nasm.mk b/depends/packages/native_nasm.mk
index b205279f3..fd256e1cb 100644
--- a/depends/packages/native_nasm.mk
+++ b/depends/packages/native_nasm.mk
@@ -17,5 +17,5 @@ define $(package)_stage_cmds
 endef
 
 define $(package)_postprocess_cmds
-  rm -rf share 
+  rm -rf share
 endef
diff --git a/depends/packages/packages.mk b/depends/packages/packages.mk
index ceab33045..30557bb72 100644
--- a/depends/packages/packages.mk
+++ b/depends/packages/packages.mk
@@ -16,6 +16,7 @@ upnp_packages=miniupnpc
 
 avx2_native_packages:=native_nasm
 avx2_x86_64_linux_packages:=intel-ipsec-mb
+avx2_x86_64_mingw32_packages:=intel-ipsec-mb
 
 darwin_native_packages = native_biplist native_ds_store native_mac_alias
 
diff --git a/src/crypto/sha1.cpp b/src/crypto/sha1.cpp
index 7680279a5..fcd510e40 100644
--- a/src/crypto/sha1.cpp
+++ b/src/crypto/sha1.cpp
@@ -10,7 +10,7 @@
 #include <string.h>
 
 #if (defined(__ia64__) || defined(__x86_64__)) && \
-    (defined(__linux__) && !defined(__APPLE__)) && \
+    !defined(__APPLE__) && \
     (defined(USE_AVX2))
 #include <intel-ipsec-mb.h>
 #endif
diff --git a/src/crypto/sha256.cpp b/src/crypto/sha256.cpp
index dbdc1eb48..bd61c3858 100644
--- a/src/crypto/sha256.cpp
+++ b/src/crypto/sha256.cpp
@@ -10,7 +10,7 @@
 #include <string.h>
 
 #if (defined(__ia64__) || defined(__x86_64__)) && \
-    (defined(__linux__) && !defined(__APPLE__)) && \
+    !defined(__APPLE__) && \
     (defined(USE_AVX2))
 #include <intel-ipsec-mb.h>
 #endif
diff --git a/src/crypto/sha512.cpp b/src/crypto/sha512.cpp
index 26a0ff117..c911ed312 100644
--- a/src/crypto/sha512.cpp
+++ b/src/crypto/sha512.cpp
@@ -10,7 +10,7 @@
 #include <string.h>
 
 #if (defined(__ia64__) || defined(__x86_64__)) && \
-    (defined(__linux__) && !defined(__APPLE__)) && \
+    !defined(__APPLE__) && \
     (defined(USE_AVX2))
 #include <intel-ipsec-mb.h>
 #endif