qBittorrent official forums

Just download ver v4.6.5 (64bit)

Now when select a torrent to download the screen which then lists the files to be download appears, but there is no tab at the foot of the page to "OK" it. i.e. to commence the downlaod.

Where has that gone?

Here is the list you might be looking for: https://www.fosshub.com/qBittorrent.html