Here are simple first steps in downloading and using ASDF and ASDF-INSTALL.This is a crash Tutorial for ASDF and ASDF-Install. For normal usage, you would have them already downloaded and installed, and you would just need to put the configuration forms (setting ASDF:*CENTRAL-REGISTRY*, ASDF-INSTALL:*LOCATIONS* and ASDF-INSTALL:*PREFERRED-LOCATION* in your rc file (eg. ~/.clisprc, ~/.sbclrc, etc d