Step 1 : Create new project UE 4.25.4. From architecture .. , blank, with starter content, no raytracing, no BP.
From learn : https://learn.unrealengine.com/course/2436632/module/5367573?moduletoken=UHxxnDLPW8Q5KSe4aguQ3gEEpywFgqqAzh6V1R2ea4tXGNsf7prUPDq~vgBaxSsF&LPId=0
Make sure the python and datasmith plugin’s are selected
https://docs.unrealengine.com/en-US/ProductionPipelines/ScriptingAndAutomation/Python/index.html