diff --git a/.github/actions/spelling/expect.txt b/.github/actions/spelling/expect.txt
index d35affbc..f2136ffa 100644
--- a/.github/actions/spelling/expect.txt
+++ b/.github/actions/spelling/expect.txt
@@ -2,3 +2,4 @@ GOBIN
 vSsphere
 i-1234567890abcdef0
 Ssphere
+iex
diff --git a/README.md b/README.md
index d10f61c1..b2a185e4 100644
--- a/README.md
+++ b/README.md
@@ -21,10 +21,21 @@
 
 Install `cnspec` with our installation script:
 
+**Linux and macOS**
+
 ```bash
 bash -c "$(curl -sSL https://install.mondoo.com/sh/cnspec)"
 ```
 
+**Windows**
+
+```powershell
+Set-ExecutionPolicy Unrestricted -Scope Process -Force;
+[System.Net.ServicePointManager]::SecurityProtocol = [System.Net.ServicePointManager]::SecurityProtocol -bor 3072;
+iex ((New-Object System.Net.WebClient).DownloadString('https://install.mondoo.com/ps1/cnquery')); 
+Install-Mondoo -Product cnspec;
+```
+
 If you prefer a package, find it on [GitHub releases](https://github.com/mondoohq/cnspec/releases).