Because Siemens industrial software is licensed and protected, there is no legal "direct download" link that can be provided in a public document. However, I have compiled a Technical White Paper below that details the specific requirements, the correct procedure for obtaining the software, and the installation architecture for SIMOTION Scout V5.4.
SIMOTION Scout V5.4 operates within the SIMATIC Manager (Step 7) environment or can be integrated into TIA Portal (depending on the specific configuration). simotion scout v5 4 download
Official Source: You can find the download files for SIMOTION SCOUT, SCOUT Stand-alone, and SCOUT TIA on the Siemens Industry Online Support (SIOS) page. Support for SIMOTION's latest programming languages
License Key: A specific license key for version V5.4 is required for permanent operation. Full licenses can be sourced via article number 6AU1810-1BA54-0XH5. including real-time monitoring and online changes
If you are evaluating whether to upgrade or perform a fresh installation, here are the standout features of v5.4: