Press Handstand Attempt Video. It's close..

It's very close, but I don't know what I to do. I train it for a month :-(

you are planching the press, this is why you can't make it up. you start to extend your hips before your back is vertical

imagine there is a string attached to your tail bone, and someone is pulling it straight up. this is what the press should feel like

start with your legs on a higher ground and make it lower and lower you have al lack of propreoception