• Shower or have a bath in the nude. (You always do this? You’re on your way!)
• Sleep in the nude. It feels great.
• Walk around the house naked. (You might have to wait until you are alone.)
• Find an opportunity to be naked outdoors.
• Go swimming in the nude.
• Join the ACT Nudist Club.

See some good ideas from WikiHow, e.g.
How to become a nudist
How to practice nudism