diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0d7c37e..d225255 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -30,6 +30,7 @@ For major (breaking) changes - version 3 and 2 see end of page.
 
 | Version        | Date           | Comment  |
 | -------------- | -------------- | -------- |
+| 5.0.6          | 2020-01-28     | `osinfo()` added hypervisor (win only) |
 | 5.0.5          | 2020-01-27     | `networkInterfaces()` type detection improved (win) |
 | 5.0.4          | 2020-01-27     | `cpu()` improved manufacturer decoding (linux) |
 | 5.0.3          | 2020-01-27     | `cpu()` fix virtualization, `wifi()` fix raspberry  |
diff --git a/docs/changes.html b/docs/changes.html
index 853ee25..0279188 100644
--- a/docs/changes.html
+++ b/docs/changes.html
@@ -176,6 +176,7 @@
                 <li><span class="code">networkInterfaces()</span>: type detection improved (win - wireless)</li>
                 <li><span class="code">memoryLayout()</span>: extended manufacturer list (decoding)</li>
                 <li><span class="code">osInfo()</span>: better fqdn (win)</li>
+                <li><span class="code">osinfo()</span>: added <span class="code">hypervizor</span> if hyper-v is enabled (win only)</li>
                 <li><span class="code">system()</span>: better Raspberry PI detection</li>
                 <li><span class="code">system()</span>: added <span class="code">virtual</span> and <span class="code">virtualHost</span> (if system is virtual instance)</li>
                 <li><span class="code">uuid()</span>: better value support</li>
@@ -184,8 +185,8 @@
                 <li><span class="code">Apple M1 Silicon</span> extended support (now everything supported except of cpu temperature)</li>
                 <li>updated TypeScript definitions </li>
               </ul>
-              <h4>Test full functionality and view Version 5 results</h4>
-              <p>If you want to see all function results on your machine, please head over to <a href="testing.html">Testing section</a>. Here you can easily test all functions without coding.<br><br></p>
+              <h4>Test full version 5 functionality</h4>
+              <p>If you want to see all function results on your machine, please <a href="tests.html">head over to Testing section</a>. We implemented a tiny test suite where you can easily go through all functions and test resuls on your machine without coding.<br><br></p>
               <h2>Major Changes - Version 4</h2>
               <h4>New Functions</h4>
               <ul>
diff --git a/docs/os.html b/docs/os.html
index 6d5be9a..efd21b8 100644
--- a/docs/os.html
+++ b/docs/os.html
@@ -216,6 +216,16 @@
                     <td></td>
                     <td>OS uses UEFI on startup</td>
                   </tr>
+                  <tr>
+                    <td></td>
+                    <td>hypervizor</td>
+                    <td></td>
+                    <td></td>
+                    <td></td>
+                    <td>X</td>
+                    <td></td>
+                    <td>hyper-v detected (win only)</td>
+                  </tr>
                   <tr class="example">
                     <td></td>
                     <td colspan="7">
diff --git a/lib/index.d.ts b/lib/index.d.ts
index bf82179..c190e6a 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -311,6 +311,7 @@ export namespace Systeminformation {
     build: string;
     servicepack: string;
     uefi: boolean;
+    hypervizor?: boolean;
   }
 
   interface UuidData {
diff --git a/lib/osinfo.js b/lib/osinfo.js
index a3334e3..a299f31 100644
--- a/lib/osinfo.js
+++ b/lib/osinfo.js
@@ -327,6 +327,12 @@ function osInfo(callback) {
             result.build = util.getValue(lines, 'BuildNumber', '=').trim();
             result.servicepack = util.getValue(lines, 'ServicePackMajorVersion', '=').trim() + '.' + util.getValue(lines, 'ServicePackMinorVersion', '=').trim();
             result.codepage = util.getCodepage();
+            try {
+              const systeminfo = execSync('systeminfo').toString();
+              result.hypervisor = (systeminfo.indexOf('hypervisor has been detected') !== -1) || (systeminfo.indexOf('Es wurde ein Hypervisor erkannt') !== -1) || (systeminfo.indexOf('Un hyperviseur a ') !== -1);
+            } catch (e) {
+              util.noop();
+            }
             isUefiWindows().then(uefi => {
               result.uefi = uefi;
               if (callback) {