Go here: https://www.spyshelter.com/download-spyshelter/ and page down to the bottom. There you will see on the left hand side a link titled 'Security Test Tool'
Zemana fails it's own tests on Windows 10. They will be releasing an update that fixes the issue soon.
Here's another one: http://www.snapfiles.com/get/antikeyloggertester.html This test although quite old is probably the best one still out there. Note: your AV software will probably object to you running it.
If you want, you can try this license code posted here http://malwaretips.com/threads/giveaway-of-the-day-zemana-antilogger.40205/#post-329030 I tried it long ago and it worked. Don't know if it does now.