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Windows Compatibility Information
What versions of Windows are supported?
HydroCAD-10 has been carefully designed according to Microsoft and industry standards so that a single program can be used on all versions of Windows, including Windows 98, ME, NT, XP, Vista, Windows-7, and Windows-8.
If you are upgrading your computer to Windows-7 or later, we strongly recommend that you update to the latest HydroCAD-10 release. Using an earlier version of HydroCAD on these computers is subject to certain issues as detailed below.
How much memory does HydroCAD require?
Disk and RAM requirements are very modest. Basically, any system that can run Windows will run HydroCAD.
What about 64-bit operating systems?
HydroCAD is fully compatible with 32-bit and 64-bit editions of all supported
operating systems. The same installation program is used for all
HydroCAD 10.0 supports the use of secured computing environments in which the user does not have write access to the HydroCAD installation folder. All data files are stored in the designated Windows folders for application data and user data.
With HydroCAD 9.1 and earlier, each user must have full read/write access to the HydroCAD installation folder, which is normally C:\Program Files\HydroCAD. To run HydroCAD on a PC that is fully secured, the administrator will need to provide read/write access to this folder and all subfolders. If you do not have full access, Windows may display a padlock icon next to certain HydroCAD files and block access to those files. This is corrected by installing HydroCAD-10 or later.
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