It's too old to migrate. For those who can't see it, it's a post from 2012.

Only posts [within the past 60 days](https://meta.stackexchange.com/questions/151890/disable-migration-for-questions-older-than-60-days "over the hill") can be migrated. 

You are more than free to ask on another SE site, such as [Software Recommendations](https://softwarerecs.stackexchange.com), assuming it's [not a duplicate there](http://softwarerecs.stackexchange.com/search?q=windows+ssh+is%3Aq).