The "2017x64" portion of the keyword refers to the 64-bit architecture of the 2017 software versions. This was a pivotal time when many professionals transitioned fully away from 32-bit systems to take advantage of increased RAM capacity and faster processing speeds required for heavy rendering tasks. Software packages often included in this category:

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: Using such tools is a violation of Autodesk's Terms of Service and copyright law. For professional or business use, this can lead to legal action, hefty fines, and the potential for a "software audit" by the vendor. Lack of Support

: Specifies that it is built for 64-bit architecture, which is the standard for modern Windows and Linux operating systems.