Preapare for SBAS

I download 35 S1A images for SBAS analyse by the text ,the steps is as follow:

and the step5 create a stack with results step1、step2、step3…
I dont know how to create a stack,and in step5 i need to create a stack of coregistration or interferogram

Please don’t start multiple topics on the same thing: Multi-Temporal InSAR by SNAP
You can find many answers with the search function in this forum:

Still, your questions are answered here, for example:

is there any advice on StaMPS installing?

There are several topics on this. Probably you find answers to your question if you read them.