ZEN is pow coin , so there is no in wallet staking.

You can setup Secure or Super node.

They have different requirements regarding of number of "staked coins", but very similar setup procedure.
Staked coins won't get you any return if not "pointing" on an Secure or Super node.

Please check trackers, there you can get some clues how this system function:
https://securenodes.eu.zensystem.io/
https://supernodes1.eu.zensystem.io/

Here you can find out everything you need to know how to set up a Node, in details.
https://horizenofficial.atlassian.net/wiki/spaces/ZEN/pages/136872141/Secure+and+Super+Nodes

In case you're not so confident to set up your node you always can get an help on discord channel , or you can simple pay someone to do this for you.
Community Hosting and Setup List:
https://horizenofficial.atlassian.net/wiki/spaces/ZEN/pages/136872090/Community+Hosting+and+Setup+List

I'm not advising Window to be used as platform for node. It is possible,  but requires an solid knowledge of administration.
Alternatively you could use Virtual Machine..
But at the end of the day, it is more simpler to rent an VPS, for a secure node you can find starting from 3 dollars.

Community VPS List:
https://horizenofficial.atlassian.net/wiki/spaces/ZEN/pages/136872080/Community+VPS+List