diff --git a/setupScriptInfo.ps1 b/setupScriptInfo.ps1
index 6e6398b..6f73b67 100644
--- a/setupScriptInfo.ps1
+++ b/setupScriptInfo.ps1
@@ -194,6 +194,29 @@ $urlShortcut = $wshShell.CreateShortcut((Join-Path $env:PUBLIC "Desktop\Framindm
 $urlShortcut.TargetPath = "https://framindmap.org/"
 $urlShortcut.Save()
 
+# Set Firefox as the default browser
+if (Test-Path "C:\Program Files\Mozilla Firefox\firefox.exe") {
+    $browserPath = "C:\Program Files\Mozilla Firefox\firefox.exe"
+    $browserName = "Mozilla Firefox"
+    $protocolKeys = "HTTP", "HTTPS", "ftp"
+
+    foreach ($key in $protocolKeys) {
+        $registryPath = "HKLM:\SOFTWARE\Clients\StartMenuInternet\$browserName\shell\$key\command"
+        Set-ItemProperty -Path $registryPath -Name "" -Value "$browserPath `"%1`""
+    }
+    $htmlRegistryPath = "HKLM:\SOFTWARE\Classes\http\shell\open\command"
+    Set-ItemProperty -Path $htmlRegistryPath -Name "" -Value "$browserPath `"%1`""
+    $urlRegistryPath = "HKLM:\SOFTWARE\Classes\https\shell\open\command"
+    Set-ItemProperty -Path $urlRegistryPath -Name "" -Value "$browserPath `"%1`""
+    $htmlAssocPath = "HKLM:\SOFTWARE\Classes\.html"
+    Set-ItemProperty -Path $htmlAssocPath -Name "Default" -Value "$browserName"
+    $urlAssocPath = "HKLM:\SOFTWARE\Classes\.url"
+    Set-ItemProperty -Path $urlAssocPath -Name "Default" -Value "$browserName"
+    [System.Diagnostics.Process]::Start("cmd.exe", "/C rundll32.exe iernonce.dll,OpenURL `$http://www.example.com`")
+    Write-Host "Firefox has been set as the default browser."
+} else {
+    Write-Host "Firefox is not installed in the default path."
+}
 
 # Update Windows
 Install-Module -Name PSWindowsUpdate -Force