WinPAS 12 is compatible with all versions of Windows, including Windows 7, and both architecture types (32/64-bit).
WinPas 12, which is based on the commonly-used AASHTO 1993 pavement design guide, has been updated to make it compatible with current Windows-based operating systems, has a new GUI (or graphical user interface), and includes updated help screens which make the software easier to use than ever before.
WinPas 12 is available as a free download and may be used without a license for up-to 30 days. The complete install package and patches were updated on (2/27/14).
- Unzip the contents of the downloaded file (WinPAS 12.zip)
- Run Setup.exe
- Follow the installation wizard instructions
If you already have WinPAS 12 installed, you can download and run a cumulative patch update to get the latest changes to WinPAS 12. See patch change log for details.