AS REQUESTED:
export sims 4 clothes to XNALARA
with this tutorial you need only 3 tools but any 3d software, you can import the obj in Blender (old, new) or in 3ds Max only in case you want edit it.
.The tools :
TSR WORKSHOP: https://www.thesimsresource.com/works...
S4PE https://github.com/Kuree/Sims4Tools/r...
S4CASTOOLS: http://chii.modthesims.info/getfile.p...