Wine is installed after I converted my computer to Ubuntu, I downloaded LTspiceXVII.exe. I should, it seems, be able to install LTspice just by double-clicking, or at least by "Open with other application", but Wine is not given as a choice. What to do?

wine-stable/bionic,bionic,now 3.0-1ubuntu1 all [installed]
wine32/bionic,now 3.0-1ubuntu1 i386 [installed,automatic]
wine64/bionic,now 3.0-1ubuntu1 amd64 [installed,automatic]

TTFN