may I ask if secure nodes and super nodes can be set up on Windows 10? If so, is there a guide for it? Thanks

As far as I can tell, we will not be introducing this as an official approach, we need to keep the barrier to entry and quality of nodes relatively high, its an intentional choice.

Its all about performance of the network!

Also, which is the best miner for Zencash? The current miner program I am using has a high dev fee

I get better share rates on my pool from dstm
bminer reports better hash rate
but what the pool sees is what matters