You can setup a Linux Virtual Machine with VirtualBox..And you can use it on Windows  

Secure Node Criteria
Each of the following criteria must be met and maintained for a Secure Node to be eligible to recieve a share of the reward pool.These items may be added to or modified at any time. Criteria may change at any time.

Must maintain a balance of at least 42 ZEN in a 'stake' transparent address
Must maintain a minimum balance of .001 ZEN in a private address on the node for challenges
Must be available with minimal exception time for at least 92% of an earning period (approx. 1 day)
Must perform a challenge within 300 or under seconds
Allow 8 or more peers by allowing public connections on the configured zen port (default 9033)
Must maintain a valid public SSL cert properly configured for zen
Must not fall behind the current block height by more than 4 blocks
Must update to current versions of the zen and/or tracker software within the posted time frame
Must dedicate the host for the sole use as a Secure Node and provision the required level of resources (CPU, RAM/SWAP, Disk space) to consistently meet the eligibility criteria
Must not add, or utilise additional transparent addresses, except for approved applications
 

Note: only one public Ip address is allowed per secure node tracker (IPv4 or IPv6).