Wash your hands with soap (preferably non-perfumed, anti-bacterial liquid soap), then rinse and dry your hands with a lint-free towel.
To do this, just put the lens on the tip of your finger and hold it up to the light. If the edges flare out, it's inside out.
It should look like a bowl with straight edges.
Use your right hand first, in case of mixing the prescription(if have).
Gently hold your upper eyelid with one finger so you don’t blink or get your eyelashes in the way, and carefully pull down your lower eyelid with your other fingers.
Toward your eye steadily.
Look upward as you place it on your eye, and slowly release your eyelid and close your eye for a moment to allow the lens to settle.
Repeat for your other eye.
And dry, and start with your right eye, then look up and carefully pull down your lower eyelid with your middle finger.
Slowly until you touch the lower edge of the lens, and slide the lens down to the lower white part of your eye.
Between your thumb and index finger and remove it. Repeat for your left lens.
If you wear dailies you can toss them out, but make sure you clean and disinfect bi-weekly.