<ul><li>This machine does not support Windows 11 upgrade.</li><li>This Certified Refurbished product is tested and certified to look and work like new. The refurbishing process includes functionality testing, basic cleaning, inspection, and repackaging. The product ships with all relevant accessories, a minimum 90-day warranty, and may arrive in a generic box. Only select sellers who maintain a high-performance bar may offer Certified Refurbished products on Amazon.com.</li><li>Operating System: Windows 10 Pro 64 Bit-Multi-Language Supports English/Spanish/French.</li></ul><br><br>The compact Lenovo ThinkCentre M73 Tiny desktop has an Intel Core i5 processor, 16GB RAM, 1TB SSD, WiFi, Bluetooth, wireless keyboard and mouse with Windows 10 Pro installed.

Lenovo ThinkCentre M73 Tiny Desktop Computer Mini PC, Intel Core i5-4570T up to 3.6GHz,16GB RAM,New 1TB SSD,WiFi Bluetooth,Wireless Keyboard and Mouse,Windows 10 Pro(Renewed)