If you already own a valid SIMATIC Safety license (e.g., 6ES7833-1CC14-0YA5 for floating license), you can download the software for free.

Many engineers download the wrong version. Here is a clear compatibility list for (i.e., Safety Advanced V6.4):

For new users without a license:

: Choose "Engineering AS" for PLC programming or "Runtime" for OS-only installations on human-machine interface (HMI) stations.

Before downloading and installing SIMATIC S7 F Systems V6.4, ensure that your system meets the minimum requirements:

The only legitimate sources are: