The Internet Archive (archive.org) hosts thousands of old software manuals. Search for "Album Xpress Pack 135 manual." Sometimes, the serial number is printed on a card scanned into the PDF.
A generic Album Xpress serial will not work for the Pack 135 edition. The content packs are tied to unique product IDs. The software checks not just for a valid format, but for a key that matches the SKU (Stock Keeping Unit). A "top" serial for the standard edition will leave the 135 premium assets locked. album xpress pack 135 serial number top
Nova Development has long since discontinued Album Xpress. The product has been replaced by modern apps like Photo Explosion and other cloud-based services. The company no longer hosts activation servers for these legacy products. Even if you find a serial number, the online verification step will likely fail. The Internet Archive (archive