32bit and 64bit.

Blue-Cloner 2020 is all new Blu-ray copy/backup/burn/decryption software which can copy Blu-ray movies, including 3D, to blank Blu-ray/DVD/AVCHD discs or hard disk as Blu-ray folders and ISO image files with just one or a few clicks. In addition, Blue-Cloner 2020 has been enhanced to copy 4K UHD Blu-ray to a blank Blu-ray disc with an UHD friendly drive, with 4K and HDR supported.

http://www.blue-cloner.com/blue-cloner-diamond.html