How would I go about upgrading video card on dell xps 8500?

I have a pretty old computer that I bought around 4 years ago. I really want to upgrade the video card on it, but don't know if the pc can handle it.

Specs

Operating System: Windows 10 Home 64-bit (10.0, Build 15063) (15063.rs2_release.170317-1834)

Processor: Intel(R) Core(TM) i5-3350P CPU @ 3.10GHz (4 CPUs), ~3.1GHz

Memory: 8192MB RAM

Power supply - Maybe 460 watts, will have to check.

Card name: AMD Radeon HD 7500 Series

Manufacturer: Advanced Micro Devices, Inc.

Chip type: AMD Radeon Graphics Processor (0x675D)

Display Memory: 4848 MB

Dedicated Memory: 1008 MB

Shared Memory: 3840 MB

Not a PC expert, sorry if this is not all the info you need. Thanks!