I was just there in July trying for KY1. We followed the route from the East-Southeast, starting from the KY1 BC at ~5300m(different from the KY2 BC) . The initial part is a very small glacier crossing, followed by approx 700m of about PD standard up one of the ribs. This section is purely on rock, boulders, and loose scree. After this you reach the shoulder approx 6100m, where the technical section starts. We did not attempt this as our group was not experienced enough. Based on what i saw, it involves navigating the ridge (somewhat corniced) to the base of the final steep section (approx 10 pitches of technical climbing).
KY2 is more forgiving, snow slopes of about 45-50 degrees. In either case, prior acclimatization is key as the guide agencies like to rush things along.