Download the add-on .zip file from a source like GitHub or Gumroad . In Blender, go to . Click Install... and select the downloaded .zip file.
: Go to Edit > Preferences > Add-ons , click the Install... button (or the arrow icon), and select your downloaded .zip file. auto lip sync blender install
Search for "Auto Lipsync for Blender" (by Benebois or similar). Download the ZIP. Download the add-on