diff --git a/CHANGELOG.md b/CHANGELOG.md
index e56f1f7..7dae05f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -82,6 +82,7 @@ For major (breaking) changes - **version 4, 3 and 2** - see end of page.
 
 | Version | Date       | Comment                                                                                             |
 | ------- | ---------- | --------------------------------------------------------------------------------------------------- |
+| 5.17.15 | 2023-05-29 | `powershell()` added NoProfile to speed up powershell (windows)                                     |
 | 5.17.14 | 2023-05-29 | `diskLayout()`, `osInfo()` fix parsing issues (mac OS)                                              |
 | 5.17.13 | 2023-05-24 | `typings` fix typings dynamicData, networkInterfaceDatass                                           |
 | 5.17.12 | 2023-02-28 | `uuid()` fix unique mac address issue (Android)                                                     |
diff --git a/docs/history.html b/docs/history.html
index 842938a..ab79b36 100644
--- a/docs/history.html
+++ b/docs/history.html
@@ -57,6 +57,11 @@
                     </tr>
                   </thead>
                   <tbody>
+                    <tr>
+                      <th scope="row">5.17.15</th>
+                      <td>2023-05-29</td>
+                      <td><span class="code">powerShell()</span> added NoProfile attribute (windows)</td>
+                    </tr>
                     <tr>
                       <th scope="row">5.17.14</th>
                       <td>2023-05-29</td>
diff --git a/lib/osinfo.js b/lib/osinfo.js
index 154ca38..3160084 100644
--- a/lib/osinfo.js
+++ b/lib/osinfo.js
@@ -1053,7 +1053,7 @@ function getUniqueMacAdresses() {
     for (let dev in ifaces) {
       if ({}.hasOwnProperty.call(ifaces, dev)) {
         ifaces[dev].forEach(function (details) {
-          if (details && details.mac && details.mac !== '00:00:00:00:00:00') {
+          if (details?.mac && details.mac !== '00:00:00:00:00:00') {
             const mac = details.mac.toLowerCase();
             if (macs.indexOf(mac) === -1) {
               macs.push(mac);
diff --git a/lib/util.js b/lib/util.js
index d07d6c6..9aac93f 100644
--- a/lib/util.js
+++ b/lib/util.js
@@ -315,7 +315,7 @@ function getWmic() {
     if (!fs.existsSync(wmicPath)) {
       try {
         const wmicPathArray = execSync('WHERE WMIC', execOptsWin).toString().split('\r\n');
-        if (wmicPathArray && wmicPathArray.length) {
+        if (wmicPathArray?.length) {
           wmicPath = wmicPathArray[0];
         } else {
           wmicPath = 'wmic';
@@ -378,14 +378,14 @@ function powerShellProceedResults(data) {
 
 function powerShellStart() {
   if (!_psChild) {
-    _psChild = spawn('powershell.exe', ['-NoLogo', '-InputFormat', 'Text', '-NoExit', '-Command', '-'], {
+    _psChild = spawn('powershell.exe', ['-NoProfile', '-NoLogo', '-InputFormat', 'Text', '-NoExit', '-Command', '-'], {
       stdio: 'pipe',
       windowsHide: true,
       maxBuffer: 1024 * 20000,
       encoding: 'UTF-8',
       env: util._extend({}, process.env, { LANG: 'en_US.UTF-8' })
     });
-    if (_psChild && _psChild.pid) {
+    if (_psChild?.pid) {
       _psPersistent = true;
       _psChild.stdout.on('data', function (data) {
         _psResult = _psResult + data.toString('utf8');
@@ -436,7 +436,7 @@ function powerShell(cmd) {
           start: new Date()
         });
         try {
-          if (_psChild && _psChild.pid) {
+          if (_psChild?.pid) {
             _psChild.stdin.write(_psToUTF8 + 'echo ' + _psCmdStart + id + _psIdSeperator + '; ' + os.EOL + cmd + os.EOL + 'echo ' + _psCmdSeperator + os.EOL);
           }
         } catch (e) {
@@ -451,7 +451,7 @@ function powerShell(cmd) {
     return new Promise((resolve) => {
       process.nextTick(() => {
         try {
-          const child = spawn('powershell.exe', ['-NoLogo', '-InputFormat', 'Text', '-NoExit', '-ExecutionPolicy', 'Unrestricted', '-Command', '-'], {
+          const child = spawn('powershell.exe', ['-NoProfile', '-NoLogo', '-InputFormat', 'Text', '-NoExit', '-ExecutionPolicy', 'Unrestricted', '-Command', '-'], {
             stdio: 'pipe',
             windowsHide: true,
             maxBuffer: 1024 * 20000,
@@ -464,7 +464,7 @@ function powerShell(cmd) {
               resolve(result);
             });
           }
-          if (child && child.pid) {
+          if (child?.pid) {
             child.stdout.on('data', function (data) {
               result = result + data.toString('utf8');
             });
@@ -514,7 +514,7 @@ function execSafe(cmd, args, options) {
             resolve(result);
           });
         }
-        if (child && child.pid) {
+        if (child?.pid) {
           child.stdout.on('data', function (data) {
             result += data.toString();
           });
@@ -576,7 +576,7 @@ function smartMonToolsInstalled() {
   if (_windows) {
     try {
       const pathArray = execSync('WHERE smartctl 2>nul', execOptsWin).toString().split('\r\n');
-      if (pathArray && pathArray.length) {
+      if (pathArray?.length) {
         _smartMonToolsInstalled = pathArray[0].indexOf(':\\') >= 0;
       } else {
         _smartMonToolsInstalled = false;