

Mac Screenwriter 6.5 Serial numbers begin with MMSW Most of those steps are self-explanatory, but we provide these detailed instructions below in case you prefer to follow them. Essentially, you'll download the software installer disk image, open the disk image and run the installer, then run the Screenwriter program to activate using your serial number. Yes, it looks like a long, detailed process, but it's really not - we've just broken out each step with pictures. RELATED LINK: Read this before you update to OSX 10.15


LINK: How to install Screenwriter 6.7 Alpha on Catalina, Big Sur, Monterey, or Ventura See this FAQ on how users can download and use the Alpha test release: However, we have have a mature Alpha version for 64bit Screenwriter 6.7 for users with a Screenwriter 6.5 serial number. NOTE: Screenwriter 6.5 is NOT COMPATIBLE with MacOS 10.15 ( Catalina) or MacOS 11 ( Big Sur) or MacOS 12 ( Monterey) or MacOS 13 (Ventura) because it is a 32bit app and the newer versions of MacOS only run 64bit apps. File size: 258.1 MB File version: 6.5.12.70 R13 Requirements: Mac OS X 10.10 - 10.14 (High Sierra and Mojave-compatible)
