Hello.
Thank you for reaching out regarding your Samsung - 1.1 cu. ft. Smart SLIM Over-the-Range Microwave with 400 CFM Hood Ventilation, Wi-Fi & Voice Control what clearance requirement from the top of the stove. Regarding your concern, this microwave oven is for installation over ranges up to 36" wide.
I suggest you check this link to assist you further.
https://image-us.samsung.com/SamsungUS/home/home-appliances/pdf/ME11A7510_Slim_V4.pdf
Should you need more assistance, please feel free to get back to us via the following options:
1. Facebook Messenger: http://m.me/samsungsupport
2. Twitter: https://twitter.com/messages/compose?recipient_id 18768513
3. Samsung Community: https://us.community.samsung.com/t5/Samsung-Community/ct-p/us
Thank you for being a valued customer of Samsung. Have a great day.
Reference Ticket Number: 1144593998
^Camille