diff --git a/ci/build_windows.py b/ci/build_windows.py
index b7d47fb1fde1..e8658995b68e 100755
--- a/ci/build_windows.py
+++ b/ci/build_windows.py
@@ -213,11 +213,11 @@ def main():
     if system == 'Windows':
         logging.info("Detected Windows platform")
         if 'OpenBLAS_HOME' not in os.environ:
-            os.environ["OpenBLAS_HOME"] = "C:\\mxnet\\openblas"
+            os.environ["OpenBLAS_HOME"] = "C:\\Program Files\\OpenBLAS-v0.2.19"
         if 'OpenCV_DIR' not in os.environ:
-            os.environ["OpenCV_DIR"] = "C:\\mxnet\\opencv_vc14"
+            os.environ["OpenCV_DIR"] = "C:\\Program Files\\OpenCV-v3.4.1\\build"
         if 'CUDA_PATH' not in os.environ:
-            os.environ["CUDA_PATH"] = "C:\\CUDA\\v8.0"
+            os.environ["CUDA_PATH"] = "C:\\Program Files\\NVIDIA GPU Computing Toolkit\\CUDA\\v9.2"
         windows_build(args)
 
     elif system == 'Linux' or system == 'Darwin':
diff --git a/ci/jenkins/Jenkins_steps.groovy b/ci/jenkins/Jenkins_steps.groovy
index cfbf484756e5..e34b25d6d355 100644
--- a/ci/jenkins/Jenkins_steps.groovy
+++ b/ci/jenkins/Jenkins_steps.groovy
@@ -476,13 +476,11 @@ def compile_unix_amalgamation() {
 def compile_windows_cpu() {
     return ['Build CPU windows':{
       node(NODE_WINDOWS_CPU) {
-        timeout(time: max_time, unit: 'MINUTES') {
-          ws('workspace/build-cpu') {
-            withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0']) {
-              utils.init_git_win()
-              powershell 'python ci/build_windows.py -f WIN_CPU'
-              stash includes: 'windows_package.7z', name: 'windows_package_cpu'
-            }
+        ws('workspace/build-cpu') {
+          timeout(time: max_time, unit: 'MINUTES') {
+            utils.init_git_win()
+            powershell 'py -3 ci/build_windows.py -f WIN_CPU'
+            stash includes: 'windows_package.7z', name: 'windows_package_cpu'
           }
         }
       }
@@ -492,13 +490,11 @@ def compile_windows_cpu() {
 def compile_windows_gpu() {
     return ['Build GPU windows':{
       node(NODE_WINDOWS_CPU) {
-        timeout(time: max_time, unit: 'MINUTES') {
-          ws('workspace/build-gpu') {
-            withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0']) {
+        ws('workspace/build-gpu') {
+          timeout(time: max_time, unit: 'MINUTES') {
               utils.init_git_win()
-              powershell 'python ci/build_windows.py -f WIN_GPU'
+              powershell 'py -3 ci/build_windows.py -f WIN_GPU'
               stash includes: 'windows_package.7z', name: 'windows_package_gpu'
-            }
           }
         }
       }
@@ -508,13 +504,11 @@ def compile_windows_gpu() {
 def compile_windows_gpu_mkldnn() {
     return ['Build GPU MKLDNN windows':{
       node(NODE_WINDOWS_CPU) {
-        timeout(time: max_time, unit: 'MINUTES') {
-          ws('workspace/build-gpu') {
-            withEnv(['OpenBLAS_HOME=C:\\mxnet\\openblas', 'OpenCV_DIR=C:\\mxnet\\opencv_vc14', 'CUDA_PATH=C:\\CUDA\\v8.0','BUILD_NAME=vc14_gpu_mkldnn']) {
-              utils.init_git_win()
-              powershell 'python ci/build_windows.py -f WIN_GPU_MKLDNN'
-              stash includes: 'windows_package.7z', name: 'windows_package_gpu_mkldnn'
-            }
+        ws('workspace/build-gpu') {
+          timeout(time: max_time, unit: 'MINUTES') {
+            utils.init_git_win()
+            powershell 'py -3 ci/build_windows.py -f WIN_GPU_MKLDNN'
+            stash includes: 'windows_package.7z', name: 'windows_package_gpu_mkldnn'
           }
         }
       }
diff --git a/ci/jenkins/Jenkinsfile_windows_cpu b/ci/jenkins/Jenkinsfile_windows_cpu
index 01ca673433f6..5bc40d625930 100644
--- a/ci/jenkins/Jenkinsfile_windows_cpu
+++ b/ci/jenkins/Jenkinsfile_windows_cpu
@@ -34,14 +34,14 @@ utils.assign_node_labels(utility: 'utility', windows_cpu: 'mxnetwindows-cpu')
 utils.main_wrapper(
 core_logic: {
   utils.parallel_stage('Build', [
-    // custom_steps.compile_windows_cpu()
+    custom_steps.compile_windows_cpu()
   ])
 
   utils.parallel_stage('Tests', [
-    // custom_steps.test_windows_python2_cpu(),
-    // custom_steps.test_windows_python3_cpu(),
-    // custom_steps.test_windows_julia07_cpu(),
-    // custom_steps.test_windows_julia10_cpu()
+    custom_steps.test_windows_python2_cpu(),
+    custom_steps.test_windows_python3_cpu(),
+    custom_steps.test_windows_julia07_cpu(),
+    custom_steps.test_windows_julia10_cpu()
   ])
 }
 ,
diff --git a/ci/jenkins/Jenkinsfile_windows_gpu b/ci/jenkins/Jenkinsfile_windows_gpu
index b3447b960b22..2319f25942de 100644
--- a/ci/jenkins/Jenkinsfile_windows_gpu
+++ b/ci/jenkins/Jenkinsfile_windows_gpu
@@ -34,14 +34,14 @@ utils.assign_node_labels(utility: 'utility', windows_cpu: 'mxnetwindows-cpu', wi
 utils.main_wrapper(
 core_logic: {
   utils.parallel_stage('Build', [
-    // custom_steps.compile_windows_gpu(),
-    // custom_steps.compile_windows_gpu_mkldnn()
+    custom_steps.compile_windows_gpu(),
+    custom_steps.compile_windows_gpu_mkldnn()
   ])
 
   utils.parallel_stage('Tests', [
-    // custom_steps.test_windows_python2_gpu(),
-    // custom_steps.test_windows_python3_gpu(),
-    // custom_steps.test_windows_python3_gpu_mkldnn()
+    custom_steps.test_windows_python2_gpu(),
+    custom_steps.test_windows_python3_gpu(),
+    custom_steps.test_windows_python3_gpu_mkldnn()
   ])
 }
 ,
diff --git a/ci/windows/test_py2_cpu.ps1 b/ci/windows/test_py2_cpu.ps1
index 46e49baeadbb..1c4a72682ae5 100644
--- a/ci/windows/test_py2_cpu.ps1
+++ b/ci/windows/test_py2_cpu.ps1
@@ -22,8 +22,8 @@ $env:PYTHONPATH=join-path $pwd.Path windows_package\python
 $env:MXNET_STORAGE_FALLBACK_LOG_VERBOSE=0
 $env:MXNET_HOME=[io.path]::combine($PSScriptRoot, 'mxnet_home')
 
-c:\Anaconda3\envs\py2\Scripts\pip install -r tests\requirements.txt
-c:\Anaconda3\envs\py2\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_unittest.xml tests\python\unittest
+C:\Python27\Scripts\pip install -r tests\requirements.txt
+C:\Python27\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_unittest.xml tests\python\unittest
 if (! $?) { Throw ("Error running unittest") }
-c:\Anaconda3\envs\py2\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_train.xml tests\python\train
+C:\Python27\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_train.xml tests\python\train
 if (! $?) { Throw ("Error running train tests") }
diff --git a/ci/windows/test_py2_gpu.ps1 b/ci/windows/test_py2_gpu.ps1
index d362c61da02b..8a6c8e9b44f9 100644
--- a/ci/windows/test_py2_gpu.ps1
+++ b/ci/windows/test_py2_gpu.ps1
@@ -22,12 +22,12 @@ $env:PYTHONPATH=join-path $pwd.Path windows_package\python
 $env:MXNET_STORAGE_FALLBACK_LOG_VERBOSE=0
 $env:MXNET_HOME=[io.path]::combine($PSScriptRoot, 'mxnet_home')
 
-c:\Anaconda3\envs\py2\Scripts\pip install -r tests\requirements.txt
-c:\Anaconda3\envs\py2\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_unittest.xml tests\python\unittest
+C:\Python27\Scripts\pip install -r tests\requirements.txt
+C:\Python27\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_unittest.xml tests\python\unittest
 if (! $?) { Throw ("Error running unittest") }
-c:\Anaconda3\envs\py2\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_operator.xml tests\python\gpu\test_operator_gpu.py
+C:\Python27\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_operator.xml tests\python\gpu\test_operator_gpu.py
 if (! $?) { Throw ("Error running tests") }
-c:\Anaconda3\envs\py2\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_forward.xml tests\python\gpu\test_forward.py
+C:\Python27\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_forward.xml tests\python\gpu\test_forward.py
 if (! $?) { Throw ("Error running tests") }
-c:\Anaconda3\envs\py2\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error tests\python\train
+C:\Python27\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error tests\python\train
 if (! $?) { Throw ("Error running tests") }
diff --git a/ci/windows/test_py3_cpu.ps1 b/ci/windows/test_py3_cpu.ps1
index 32da4885fe0a..a7067f9f3f83 100644
--- a/ci/windows/test_py3_cpu.ps1
+++ b/ci/windows/test_py3_cpu.ps1
@@ -22,8 +22,8 @@ $env:PYTHONPATH=join-path $pwd.Path windows_package\python
 $env:MXNET_STORAGE_FALLBACK_LOG_VERBOSE=0
 $env:MXNET_HOME=[io.path]::combine($PSScriptRoot, 'mxnet_home')
 
-c:\Anaconda3\envs\py3\Scripts\pip install -r tests\requirements.txt
-c:\Anaconda3\envs\py3\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_unittest.xml tests\python\unittest
+C:\Python37\Scripts\pip install -r tests\requirements.txt
+C:\Python37\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_unittest.xml tests\python\unittest
 if (! $?) { Throw ("Error running unittest") }
-c:\Anaconda3\envs\py3\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_train.xml tests\python\train
+C:\Python37\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_train.xml tests\python\train
 if (! $?) { Throw ("Error running train tests") }
diff --git a/ci/windows/test_py3_gpu.ps1 b/ci/windows/test_py3_gpu.ps1
index b30b22ae90e4..5fbc9f2f8036 100644
--- a/ci/windows/test_py3_gpu.ps1
+++ b/ci/windows/test_py3_gpu.ps1
@@ -22,12 +22,12 @@ $env:PYTHONPATH=join-path $pwd.Path windows_package\python
 $env:MXNET_STORAGE_FALLBACK_LOG_VERBOSE=0
 $env:MXNET_HOME=[io.path]::combine($PSScriptRoot, 'mxnet_home')
 
-c:\Anaconda3\envs\py3\Scripts\pip install -r tests\requirements.txt
-c:\Anaconda3\envs\py3\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_unittest.xml tests\python\unittest
+C:\Python37\Scripts\pip install -r tests\requirements.txt
+C:\Python37\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_unittest.xml tests\python\unittest
 if (! $?) { Throw ("Error running unittest") }
-c:\Anaconda3\envs\py3\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_operator.xml tests\python\gpu\test_operator_gpu.py
+C:\Python37\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_operator.xml tests\python\gpu\test_operator_gpu.py
 if (! $?) { Throw ("Error running tests") }
-c:\Anaconda3\envs\py3\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_forward.xml tests\python\gpu\test_forward.py
+C:\Python37\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_forward.xml tests\python\gpu\test_forward.py
 if (! $?) { Throw ("Error running tests") }
-c:\Anaconda3\envs\py3\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_train.xml tests\python\train
+C:\Python37\python.exe -m nose -v --with-timer --timer-ok 1 --timer-warning 15 --timer-filter warning,error --with-xunit --xunit-file nosetests_train.xml tests\python\train
 if (! $?) { Throw ("Error running tests") }
diff --git a/tests/python/gpu/test_operator_gpu.py b/tests/python/gpu/test_operator_gpu.py
index c12c94b41f5c..fdc8a5b30828 100644
--- a/tests/python/gpu/test_operator_gpu.py
+++ b/tests/python/gpu/test_operator_gpu.py
@@ -2103,6 +2103,7 @@ def test_bilinear_sampler_versions():
 
 
 @with_seed()
+@unittest.skip("test fails on windows gpu. temporarily disabled till it gets fixed. tracked at https://github.com/apache/incubator-mxnet/issues/14368")
 def test_bulking():
     # Return the execution time of a model with the specified limits to the bulked op segments
     def test_bulking_helper(data_shape, num_ops, num_iterations,
diff --git a/tests/requirements.txt b/tests/requirements.txt
index 8a68512514a2..e16b764d2746 100644
--- a/tests/requirements.txt
+++ b/tests/requirements.txt
@@ -4,3 +4,5 @@ mock
 nose
 nose-timer
 ipython
+numpy
+scipy