A:Answer Hello there. Thank you for your question. This Lenovo IdeaCentre A540-27ICB Touch-Screen All-In-One system comes with an Intel® Core™ i5-9400T Processor, which is listed under the Supported Intel Processors for Windows 11 operating system, however, to confirm if this system is fully compatible with Windows 11 operating system, we suggest you contacting the system manufacturer.
To contact the system manufacturer, you can access the following link:
***https://support.lenovo.com/us/en/contactnow***
Thank you for choosing Intel!