This device is in excellent working condition and has been tested by Microlenk Technicians. This device does not come with a power adapter or keyboard.  This is for the tablet only. 
 
Windows 10 Pro Edition 
RAM 8GB
Processor: Intel Core i5-8350U
 
Surface Book 2 comes with Windows 10 Pro edition. For Surface Book 2 models that have the 8th Gen Intel® Core™ i5-8350U or i7-8650U processor only, you can upgrade your Surface Book 2 from Windows 10 to Windows 11. For more info, see Which Surface devices can be upgraded to Windows 11?