Can I have SyncBackFree, SyncBackSE, and SyncBackPro installed at the same time on the same computer?
Yes. When you first run SyncBackSE it will automatically import all the profiles and settings from SyncBackFree. When you first run SyncBackPro it will automatically import all the profiles and settings from SyncBackSE. To import your profiles into SyncBackPro from SyncBackFree you can select Profiles->Import profiles from SyncBackFree from the main menu.
Important: Do not install different types of SyncBack into the same folder or have them use the same folder for their settings and profiles. For example, do not install SyncBackFree into the same folder as SyncBackSE or SyncBackPro.
64-bit and 32-bit: Do not have the 32-bit versions of SyncBackSE or SyncBackPro installed at the same time as the 64-bit versions, and vice-versa. If you want to switch from 32-bit to 64-bit you should export your profiles from the 32-bit version, uninstall it, install the 64-bit version and then import your profiles. Refer to this article for more info.