Tuxera ntfs for mac kernel extension needs approval

I asked this question ages ago. I somehow managed to get it working. Once again I can't seem to access w Windoze ntfs disk

Tuxera ntfs for mac kernel extension needs approval

My Tuxera ntfs extension stopped working.

Is says Tuxera ntfs for mac kernel extension needs approval.

To use Tuxera NTFS for Mac, you need to manually approve its kernel extension in System Preferences→Security & Privacy.

For the life of me, I cannot seem to be able to do so.

I do not see this option: