the berries are from the yew in the back.

Such a look isn't at all unusual when it comes to a specimen having had its roots compromised in the digging process, though it should be looking much better come next year.

Yes, I agree with Ron and FrozeBudd - transplant shock. Keep it well watered!

Poke around in the original root ball or mass to make sure the watering is keeping that moist.

is it worth using superthrive?

I don't know anything about it, except what I just googled. The problem, fundamentally, is a disrupted root system not delivering enough water to the branch tips. The best solution is H2O. However, it's a delicate balance with new transplants, as too much water can induce root rot. Fortunately, the temperatures are starting to drop, which will relieve some stress on your fir.

"is it worth using superthrive?"

Only if you have already wasted your money on a bottle and have it sitting around :-)

There have never been any controlled scientific studies that have evaluated the benefit of Superthrive.....or at least none that have shown it has any measurable effect. All its much touted remarkable attributes are anecdotal. There is nothing in it in any significant concentration that could possibly help with transplant shock and at recommended dilution rates, all you are applying is pretty much just water :-) And pretty expensive water at that!!

The Myth of Vitamin Stimulants

https://s3.wp.wsu.edu/uploads/sites/403/2015/03/vitamin-b1.pdf