How to set default version of the nvm?

node -v

v18.18.0

nvm list

v18.15.0
v18.18.0
v20.2.0

specific version

nvm alias default v20.2.0

latest installed XX.X.X version

nvm alias default v20

latest installed version

nvm alias default node

default -> v20.2.0

nvm use default

Now using node v20.2.0 (npm v9.6.6)

node -v

v20.2.0