Vacuum Pro not appearing in Studio One 4

Just bought Vacuum Pro earlier today.

I am on PC, Studio One 4.

Had it installed, iLok activated.
Installed both 32 and 64bit.
Had Studio One VST location pointed to the VSTplugin under Steinberg.

But I do not see any Vacuum Pro appear in my VST column. I refresh and reinstalled a couple of times, but not useful at all.

Everything had been done correctly.

Even my Hybrid VST is appearing, but not for this Vacuum Pro.

Please advise.
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