There is nothing complicated about changing the oil and filter,
Warm engine and leave stand for 10 mins, remove drain plug and drain in normal manor, refit plug preferably with a new washer.
The oil filter is a canister type, accessible from below. With a 17mm spanner / socket slacken the filter canister a few turns, align the "DRAIN" arrow mark at the bottom of the filter body to the protrusion on the oil filter bracket and allow the filter to drain. Remove the filter body and the filter. Clean the canister and carefully fit a new “o” ring to the filter housing body and push the new oil filter into the filter body completely. Replace in the reverse order tightening to 15 - 18 ft-lb
Refill engine with new oil checking the level on the dipstick before and after start up.
Engine oil should be a 15W/40 conforming to API CF-4*1, *2
ACEA 98-B1