notes regarding execution block

README.md

@@ -11,9 +11,18 @@ this.
 
 ## Installation
 
-* Download the artifact from the latest workflow run in the Actions tab.
-* Unzip
-* Open folder, double-click on shawzin.exe
+1. Download the artifact from the latest release.
+2. Unzip
+3. Open folder
+4. Double-click on `shawzin.exe`
+
+When you try to run the Shawzin Simulator on Windows, the file might get blocked by Windows SmartScreen.
+To run it anyway, you have to perform these steps:
+
+1. **Right-click** on the downloaded `shawzin.exe` file.
+2. Select **Properties**.
+3. In the Properties window, under the **General** tab, look for an **Unblock** checkbox near the bottom. If it's present, check it and click **OK**.
+4. If you get a Windows SmartScreen warning upon running the file, click on **More info**, and then select **Run anyway**.
 
 ## Controls