Heyo vampire21ad
First off all. What do you want to upgrade?
You'll most likely be able to upgrade the RAM on the machine, since that's universally compatible. Well, of course not changing between ddr3 and ddr4, but you get the drill.
If you want to upgrade the PSU, you should check if your motherboard have any proprietary connectors which only their PSU's have.
For a graphics cards you'll have to check if the PSU can run it. If there's enough space in the case and check if you have enough expansion slots. I'd think you have at least one PCIe 16x slot available.
The CPU should be easily upgraded. Check what socket your current CPU is running and just find another one which matches. Although, be wary of cooling if you upgrade the...