Customers of xVision purchased by direct sale (via PayPal) can download distribution archives here:

All purchased keys are valid for all versions of xVision.

(Please read release and installation notes before using: What's new, User manual)

xVision for using with X-Plane 11.26 : xVision_102.zip

xVision for using with X-Plane 11.30 : xVision_120.zip

Please keep in mind that the further functionality of the tool is fully dependent on new X-Plane versions functionality.

One of significant part of xVision (shader tweaks) based on undocumented and unsupported X-Plane interface. Shaders are "bleeding edge" technology and may be changed by developers with next release of X-Plane in an arbitrary manner. Such changes may cause one or even all shader tweaks malfunction.

https://developer.x-plane.com/2018/08/our-shaders-dont-like-to-be-touched/ may be useful for some details.

Please take this into account when considering purchasing/using xVision.