Coreked thee url showing what the forum s/w does two the actual url.
As for using the Combo, why not? I've never had or heard of the Combo install failing. Can't say that for the App Store. It could simply be that the App Store is much, much busier than the Support site and doesn't handle the mixed traffic as well. Who knows? It's just not as often posted, so I did. No charge.
Although it would be even better if I'd done my duty of verifying the link.
Why tempt fate. Use what has the best record of performance. Just my career-induced attitude.