Function Entry: VLAX-PRODUCT-KEY

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Function Entry: VLAX-PRODUCT-KEY

Name

vlax-product-key

Class

Visual LISP Windows registry helper

Syntax

(vlax-product-key)

Description

Returns the Windows registry path for the current AutoCAD product.

Return Values

Returns a string.

Notes

Autodesk documents this function as obsolete and recommends vlax-machine-product-key instead.
Autodesk documents that the returned path can be used to register an application for demand loading.

Availability

AutoCAD 2026: documented (per Autodesk reference page).
BricsCAD V26: presumed compatible (no contradicting page found).
Status: AutoCAD documented; BricsCAD presumed-both pending Phase 4 verification.

Source Notes

[vlax-product-key (AutoLISP/ActiveX)](https://help.autodesk.com/cloudhelp/2024/JPN/AutoCAD-AutoLISP-Reference/files/GUID-237CEDFA-A02E-443E-BB21-5BD86E5E353E.htm)
[Windows Registry and Property List File Functions Reference (AutoLISP)](https://help.autodesk.com/cloudhelp/2023/ENU/AutoCAD-AutoLISP-Reference/files/GUID-E3D3DA29-AF63-41D3-865C-39E50FF31596.htm)

Compatibility

Available on Windows only; not available on macOS or Web.