The interface has been totally overhauled, and it may be again soon as the current version on Mac is slightly behind the look of its Windows counterpart. That was more than two years ago, however, and moving into 2021 Bitdefender is an entirely different beast. We found some protection issues that were later ameliorated, but we weren’t impressed with the interface. The last time we looked at Bitdefender Antivirus for Mac we had concerns.