Do AE RPA/Engage requires creating new RA and Robots for new Robot machines? Will old robot license version copy work in new environment for ROBOT license?

Do AE RPA/Engage requires creating new RA and Robots for new Robot machines? Will old robot license version copy work in new environment for ROBOT license?

Question is not clear. Are you doing migration (context old robot license use in new env)
New AE version need new licenses from product team with same validity.