Setting up static IP

I cannot see the numbers you've (wisely) blocked out, so I cannot check them for correctness, but I'll try to help you do so.

You have a block of 16 numbers, and let's just assign them each a letter, in order, a through p.   Some of these addresses are reserved: (a) is the "network block" address, and you can't use it.  (p) is the broadcast address for the block, and you cannot use it.  (o) would be the router for your block; your gateway should have assigned that IP to its internal LAN interface in addition to 192.168.1.254.  (b) through (n) are yours to assign as you will to any device connected to the Gateway.  So, in your last screenshot, you need to have put the (o) value in the Default gateway field and anything from (b) through (n) inclusive in the IP address field.  Is that what you did?

Afterwards you should be able to open a CMD window and PING the (o) address.  Does that work?  If that works, then try doing a TRACERT to 8.8.8.8 and seeing what that looks like.

well to be fair they weren't much help, and i would have thought since im paying for a service that at&t offers that they would set it up and explain to me how i'm able to change it. But that's not the case whatsoever. I will go ahead and post here the only information i received for at&t. I have no clue what to do with this? i tried googling it and tried entering in everything correctly into the proper sections but then whenever i clicked ok and went into the cmd on my computer and did ping 8.8.8.8 -t it ssaid 32 bytes but then i couldnt access any webpages and it was like the internet was very slow and barely working.

at this point i dont care about redacting it, i can't even get an at&t person knowledgeable enough to help me set this up on my device (computer). i basically have to do this all by myself and google everything to try and figure it out. It's really frustrating

Public Static Subnets are something that AT&T offers to consumers, but since only a tiny fraction of customers actually purchase it, they are not staffed or otherwise equipped to provide support for it.  Heck, they don't do a very good job of supporting Port Forwarding and more people use that than a Public Subnet.  Which leaves you coming to us in the community. 

You look like you're set up correctly.  Your Gateway settings are for a valid /28.  Your PC is set to use a valid IP on that /28 and use its router IP.

If you allow your computer to get a private IP via DHCP, everything works okay, it's only when you try to use the Public Address that it acts odd, correct?

Could you be a little more specific on the output of the PING 8.8.8.8?  After the line where it said "Pinging 8.8.8.8 with 32 bytes of data:", what followed?

(a) Reply from 8.8.8.8: bytes=32 time=...  or

(b) Request timed out. or

(c) Reply from xx.xx.xx.xx: Destination host unreachable.

Did you do a tracert?  What result?