This version is the portable version and can be run from an external hard drive, unlike the previous version of this Alldata 10.53 added more drives, now the total number of 90 disks. AllData 10.53 Professional, the leading computer-based diagnostic, repair and estimating information system, can help you boost shop performance and build customer loyalty as you efficiently repair more makes and reduce comebacks. LlData 10.53 professional workshop service and repair manual, maintenance, wiring diagram, diagnostic, all cars & light trucks 1982-2014.