diff --git a/Azaion.Inference/hardware_service.pyx b/Azaion.Inference/hardware_service.pyx
index 3177907..04ce710 100644
--- a/Azaion.Inference/hardware_service.pyx
+++ b/Azaion.Inference/hardware_service.pyx
@@ -45,9 +45,11 @@ cdef class HardwareService:
     cdef HardwareInfo get_hardware_info(self):
         if self.is_windows:
             os_command = (
-                "wmic CPU get Name /Value && "
-                "wmic path Win32_VideoController get Name /Value && "
-                "wmic OS get TotalVisibleMemorySize /Value"
+                "powershell -Command \""
+                "Get-CimInstance -ClassName Win32_Processor | Select-Object -ExpandProperty Name | Write-Output; "
+                "Get-CimInstance -ClassName Win32_VideoController | Select-Object -ExpandProperty Name | Write-Output; "
+                "Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object -ExpandProperty TotalVisibleMemorySize | Write-Output"
+                "\""
             )
         else:
             os_command = (
diff --git a/Azaion.Inference/test/test_download_large_file.py b/Azaion.Inference/test/test_download_large_file.py
index fc7f2ba..0b17ecf 100644
--- a/Azaion.Inference/test/test_download_large_file.py
+++ b/Azaion.Inference/test/test_download_large_file.py
@@ -102,9 +102,11 @@ class HWService:
     def get_hardware_info(self):
         if self.is_windows:
             os_command = (
-                "wmic CPU get Name /Value && "
-                "wmic path Win32_VideoController get Name /Value && "
-                "wmic OS get TotalVisibleMemorySize /Value"
+                "powershell -Command \""
+                "Get-CimInstance -ClassName Win32_Processor | Select-Object -ExpandProperty Name | Write-Output; "
+                "Get-CimInstance -ClassName Win32_VideoController | Select-Object -ExpandProperty Name | Write-Output; "
+                "Get-CimInstance -ClassName Win32_OperatingSystem | Select-Object -ExpandProperty TotalVisibleMemorySize | Write-Output"
+                "\""
             )
         else:
             os_command = (
@@ -225,12 +227,15 @@ class Api:
 
 credentials = Credentials('admin@azaion.com', 'Az@1on1000Odm$n', 'stage')
 api = Api(credentials)
+
 file = 'file1'
-sha256_init = Api.create_file(file, size_mb=100)
+sha256_init = Api.create_file(file, size_mb=1)
 api.upload_file(file)
 
 file_bytes = api.load_bytes(file)
-print(f'received: {len(file_bytes)/1024} kb')
-sha256_downloaded = Api.get_sha256(file_bytes)
-print(f'{sha256_init}: sha256 initial file')
-print(f'{sha256_downloaded}: sha256 downloaded file')
+
+#
+# print(f'received: {len(file_bytes)/1024} kb')
+# sha256_downloaded = Api.get_sha256(file_bytes)
+# print(f'{sha256_init}: sha256 initial file')
+# print(f'{sha256_downloaded}: sha256 downloaded file')