Upgrading Dell OptiPlex 7470 AIO Ddsktop

Hey guys, I am looking to get a OptiPlex 7470 AIO Desktop

I want to do some upgrades to be able to make it a home office computer and a casual gaming computer

Would love to know what specific upgrades I need to look into.

I’m looking at:

XFX Swift AMD Radeon RX9070 so far but would love some help