Also, you need 3 drivers.
T6H/TR6/T6X (security torx/torx with a hole), should be available in any model shop or tool shop.
T5 and T10.
I opened it twice already, because I seated the RAM poorly the first time i did.
2nd run took me 20 minutes to take apart the mini, reseat the ram, put it back together and boot it.
It's not a big deal really.