If you just type in "how to perform an oil change" you should get a video of someone doing it, all be it on another car but the principle is the same:
1) run the engine until the OIL is warm (take it for a 15min drive)
2) remove under tray (if present ) to gain access to the sump drain plug
3) remove filler cap from top of engine
4) remove sump plug an leave oil to drain out (give it a good 30mins to get it all out)
5) remove oil filter (can be done with clean dry hands usually) - will have some oil in so watch out!!
6) replace oil filter with new (remember to put a film of the old oil on the rubber seal
7) replace sump plug
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top up oil from top with fresh - don't overfill!!!
9) take it for a drive, leave for 5mins and check level, top up as necessary.
Remember, MAX -MIN on the dipstick is 1 litre of oil
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Easy peasy. . .