Overwrite files inside Sketchup/Plugins directory with a new one from the archive.
If you want plugin registered to your name, simply request and install personal trial license.
Request via <SketchUp> Plugin > Simlab Obj Importer (Exporter) > Register > Get Free Trial > Request a Trial License. Fill all necessary fields and fill email field with REAL email.
Install license via <SketchUp> Plugin > Simlab Obj Importer (Exporter) > Register > Activate > I already have a license file (*.sl).
If you want plugin registered to your name, simply request and install personal trial license.
Request via <SketchUp> Plugin > Simlab Obj Importer (Exporter) > Register > Get Free Trial > Request a Trial License. Fill all necessary fields and fill email field with REAL email.
Install license via <SketchUp> Plugin > Simlab Obj Importer (Exporter) > Register > Activate > I already have a license file (*.sl).