just tell us your reason?
for online banking, the state of the art of browser already pretty secure,
assume you're using lastest OS, browser and PC.

P*rnhub access? DNS-over-HTTPS or Cloudflare WARP will do

Tor browser is just Firefox with extra security layer, it should be safe if you use 2fa and strong password, but tor is slow iirc.

Tor is not the optimal solution to bypass this block
either

1. try change DNS or use VPN (depends on how the network is setup)
but if your IT Admin is competent these 2 are already blocked from being changed/used if you are using their hardware
if you are using your own device, then maybe

2. dont try to get around blocks that your work has setup and either
a. use those social media websites on your phone/other personal device with your mobile data
b. just dont use those websites while at work

Not responsible for ANY consequences that may happen to you for breaking their rules, do this at your own risk

IT Admin will probably get a heart attack seeing connections to Tor