You can download the latest version directly from ACDSee webpage. Click here
Download the online setup and install it. On the first launch you will be asked for a licence number. Enter one of the following. To finish register create an ID, but you can register later (this might be the best way, avoid creating an account).
- 67FNK6-SZJ86G-88XH5K-4R9M7K-R8ELOB-AVOG94-C8M6YP
- 8Z7Z3R-SB2TUD-UDJFCS-UBC959-R8ELOB-AVOG94-UTPH4E
- ZDTBH5-SUSDNR-ZQVA37-ZDEZDQ-R8ELOB-AVOG94-L4U6TH
- 7LJ8WY-SS475Y-H43USU-5CF494-R8ELOB-AVOG94-5YZVKV
- ULSLCK-SXGYHT-9Q3L3S-K5WFD7-R8ELOB-AVOG94-YB6PUE
- GRZNQM-S94BZZ-2R3SP6-6UV6LJ-R8ELOB-AVOG94-LMGUST
from http://bit.ly/1i1ttXE