Find at least 2 villagers
Build a small enclosed room for them
Add beds for each villager plus 1 extra bed
Place a composter, lectern, or other job site blocks nearby if needed
Give the villagers enough food
Make sure the villagers can access the beds
Keep the area well lit and safe from mobs
Ensure there is enough space above the beds
Wait for the villagers to breed
Collect the baby villagers
Use trapdoors, fences, or glass to control movement if needed
Keep supplying food and extra beds for continued breeding