Since the software is discontinued, you must use archived digital copies: Internet Archive
Since Ulead was acquired by Corel, the software is no longer officially sold or supported. Modern users typically find it through: Corel PaintShop Pro Digital Archives
The main challenge with running Ulead Photo Express 30 SE on a 64-bit system is compatibility. The software was originally designed for 32-bit systems, and its installer may not work properly on 64-bit systems. Additionally, some users have reported issues with the software crashing or freezing on 64-bit systems.
Photo Express 3.0 was designed for systems running at 8-bit (256 colors) or 16-bit color depths. Modern displays run at 32-bit true color, which can cause the interface to render incorrectly or freeze.