diff --git a/lib/system.js b/lib/system.js
index 7c6e6f3..995d078 100644
--- a/lib/system.js
+++ b/lib/system.js
@@ -381,13 +381,13 @@ function system(callback) {
                     break;
                 }
               }
-              util.wmic('/namespace:\\\\root\\wmi path MS_SystemInformation get /value').then((stdout, error) => {
+              util.powerShell('Get-WmiObject MS_Systeminformation -Namespace "root/wmi" | fl *').then((stdout, error) => {
                 if (!error) {
                   let lines = stdout.split('\r\n');
                   result.sku = util.getValue(lines, 'systemsku', ':');
                 }
                 if (!result.virtual) {
-                  util.wmic('bios get Version, SerialNumber, SMBIOSBIOSVersion').then((stdout, error) => {
+                  util.powerShell('Get-WmiObject Win32_bios | select Version, SerialNumber, SMBIOSBIOSVersion').then((stdout, error) => {
                     if (!error) {
                       let lines = stdout.toString();
                       if (lines.indexOf('VRTUAL') >= 0 || lines.indexOf('A M I ') >= 0 || lines.indexOf('VirtualBox') >= 0 || lines.indexOf('VMWare') >= 0 || lines.indexOf('Xen') >= 0) {
@@ -517,27 +517,27 @@ function bios(callback) {
       }
       if (_windows) {
         try {
-          util.wmic('bios get /value').then((stdout, error) => {
+          util.powerShell('Get-WmiObject Win32_bios | fl *').then((stdout, error) => {
             if (!error) {
               let lines = stdout.toString().split('\r\n');
-              const description = util.getValue(lines, 'description', '=');
+              const description = util.getValue(lines, 'description', ':');
               if (description.indexOf(' Version ') !== -1) {
                 // ... Phoenix ROM BIOS PLUS Version 1.10 A04
                 result.vendor = description.split(' Version ')[0].trim();
                 result.version = description.split(' Version ')[1].trim();
               } else if (description.indexOf(' Ver: ') !== -1) {
                 // ... BIOS Date: 06/27/16 17:50:16 Ver: 1.4.5
-                result.vendor = util.getValue(lines, 'manufacturer', '=');
+                result.vendor = util.getValue(lines, 'manufacturer', ':');
                 result.version = description.split(' Ver: ')[1].trim();
               } else {
-                result.vendor = util.getValue(lines, 'manufacturer', '=');
-                result.version = util.getValue(lines, 'version', '=');
+                result.vendor = util.getValue(lines, 'manufacturer', ':');
+                result.version = util.getValue(lines, 'version', ':');
               }
-              result.releaseDate = util.getValue(lines, 'releasedate', '=');
+              result.releaseDate = util.getValue(lines, 'releasedate', ':');
               if (result.releaseDate.length >= 10) {
                 result.releaseDate = result.releaseDate.substr(0, 4) + '-' + result.releaseDate.substr(4, 2) + '-' + result.releaseDate.substr(6, 2);
               }
-              result.revision = util.getValue(lines, 'buildnumber', '=');
+              result.revision = util.getValue(lines, 'buildnumber', ':');
             }
 
             if (callback) { callback(result); }
@@ -672,29 +672,29 @@ function baseboard(callback) {
       if (_windows) {
         try {
           const workload = [];
-          workload.push(util.wmic('baseboard get /value'));
-          workload.push(util.wmic('memphysical get MaxCapacity, MemoryDevices	/value'));
+          workload.push(util.powerShell('Get-WmiObject Win32_baseboard | fl *'));
+          workload.push(util.powerShell('Get-WmiObject Win32_physicalmemoryarray | select MaxCapacity, MemoryDevices | fl'));
           util.promiseAll(
             workload
           ).then(data => {
             let lines = data.results[0] ? data.results[0].toString().split('\r\n') : [''];
 
-            result.manufacturer = util.getValue(lines, 'manufacturer', '=');
-            result.model = util.getValue(lines, 'model', '=');
+            result.manufacturer = util.getValue(lines, 'manufacturer', ':');
+            result.model = util.getValue(lines, 'model', ':');
             if (!result.model) {
-              result.model = util.getValue(lines, 'product', '=');
+              result.model = util.getValue(lines, 'product', ':');
             }
-            result.version = util.getValue(lines, 'version', '=');
-            result.serial = util.getValue(lines, 'serialnumber', '=');
-            result.assetTag = util.getValue(lines, 'partnumber', '=');
+            result.version = util.getValue(lines, 'version', ':');
+            result.serial = util.getValue(lines, 'serialnumber', ':');
+            result.assetTag = util.getValue(lines, 'partnumber', ':');
             if (!result.assetTag) {
-              result.assetTag = util.getValue(lines, 'sku', '=');
+              result.assetTag = util.getValue(lines, 'sku', ':');
             }
 
             // memphysical
             lines = data.results[1] ? data.results[1].toString().split('\r\n') : [''];
-            result.memMax = util.toInt(util.getValue(lines, 'MaxCapacity', '=')) || null;
-            result.memSlots = util.toInt(util.getValue(lines, 'MemoryDevices', '=')) || null;
+            result.memMax = util.toInt(util.getValue(lines, 'MaxCapacity', ':')) || null;
+            result.memSlots = util.toInt(util.getValue(lines, 'MemoryDevices', ':')) || null;
 
             if (callback) { callback(result); }
             resolve(result);
@@ -805,18 +805,18 @@ function chassis(callback) {
       }
       if (_windows) {
         try {
-          util.wmic('path Win32_SystemEnclosure get /value').then((stdout, error) => {
+          util.powerShell('Get-WmiObject Win32_SystemEnclosure | fl *').then((stdout, error) => {
             if (!error) {
               let lines = stdout.toString().split('\r\n');
 
-              result.manufacturer = util.getValue(lines, 'manufacturer', '=');
-              result.model = util.getValue(lines, 'model', '=');
-              const ctype = parseInt(util.getValue(lines, 'ChassisTypes', '=').replace(/\D/g, ''));
+              result.manufacturer = util.getValue(lines, 'manufacturer', ':');
+              result.model = util.getValue(lines, 'model', ':');
+              const ctype = parseInt(util.getValue(lines, 'ChassisTypes', ':').replace(/\D/g, ''));
               result.type = (ctype && !isNaN(ctype) && ctype < chassisTypes.length) ? chassisTypes[ctype - 1] : '';
-              result.version = util.getValue(lines, 'version', '=');
-              result.serial = util.getValue(lines, 'serialnumber', '=');
-              result.assetTag = util.getValue(lines, 'partnumber', '=');
-              result.sku = util.getValue(lines, 'sku', '=');
+              result.version = util.getValue(lines, 'version', ':');
+              result.serial = util.getValue(lines, 'serialnumber', ':');
+              result.assetTag = util.getValue(lines, 'partnumber', ':');
+              result.sku = util.getValue(lines, 'sku', ':');
               if (result.manufacturer.toLowerCase().indexOf('o.e.m.') !== -1) { result.manufacturer = '-'; }
               if (result.version.toLowerCase().indexOf('o.e.m.') !== -1) { result.version = '-'; }
               if (result.serial.toLowerCase().indexOf('o.e.m.') !== -1) { result.serial = '-'; }