diff --git a/bundle/bundle--customfile.el b/bundle/bundle--customfile.el
index 9f368968..bb7d248c 100644
--- a/bundle/bundle--customfile.el
+++ b/bundle/bundle--customfile.el
@@ -12,13 +12,19 @@
 	inferior-lisp-program "sbcl"
 	slime-lisp-implementations `((sbcl (,sbcl-exe "--core" ,sbcl-core))))
 
-
   (when (string= (system-name) "EVG02667NB")
     (add-to-list 'Info-default-directory-list "~/Info")
     (setq custom-file "~/.emacs.d/bundle/custom_win32_EVG02667NB.el")
     (setq plantuml-jar-path "c:/Users/Marcus.Kammer/AppData/Local/Programs/plantuml/plantuml.jar")
     (setq plantuml-default-exec-mode 'jar))
 
+  (defun powershell (&optional buffer)
+    "Launches a powershell in buffer *powershell* and switches to it."
+    (interactive)
+    (let ((buffer (or buffer "*powershell*"))
+          (powershell-prog "C:\\Program Files\\PowerShell\\7\\pwsh.exe"))
+      (make-comint-in-buffer "shell" "*powershell*" powershell-prog)
+      (switch-to-buffer buffer)))
 
   (when (string= (system-name) "XPS-8930")))