Need some help with my PC

Hi, new guy here.

Okay, so, normally, I'm a Console Gamer kind of guy. Y'know, PS3/PS4 and all that stuff. But, just yesterday, I finally bought a PC, upgrading from my 2000 Rig. The one I bought isn't flashy or 'new' buy any standards, but, to my surprise, it isn't terrible.

So, the purpose of this post is, after looking through some online games, I've found one that meets my fancy:

Vindictus, by Nexon.

I can play it on Low (15-20FPS) or Medium (10-15 FPS with noticeable drops) if I fiddle with the settings, so I'd like to know what would be decent upgrades so I can play with at least 30FPS/Medium without any trouble.

Any help would be appreciated, and if there are any games you can recommend that would suit my current rig, I'd appreciate it. I know I can play BF2/Oblivion without any problems, so I'm just interested in if there's anything else my PC may be able to play that has, at least, been made in the last 10 years (2004 and forward).

Here are my specs:

Dude, I really hope you didn't spend too much money on that thing. It's like eight years old.

For one, the CPU is a single-core and it's also using onboard video, which is why you can't run shit.

I would send it back and start from scratch, because whatever you choose to upgrade is probably going to more expensive than what you paid for the PC itself.

Do you have any recommendations in regards to a new PC? Something cheap-ish, preferably. I only paid $80, omitting tax, for this, because I just needed a new PC and I had a friend who was selling.

Because this thing can run Vindictus, I doubt I'll need a $700 PC to be able to run it decently. I suppose, at best, I'd be willing to shell out $200-300 for a new-er PC if I had to. I'm not a PC Gamer by any means, so any help in picking a decent yet 'budget'/'affordable' one out would be greatly appreciated.

I could build you a nice gaming budget PC for 500$ maybe 400$ but nothing less than that, you may try 2nd handed PCs or just buy a brand new console.

Really? Seems like a pretty sweet deal, and something I'll definitely check into when I'm able to afford that.

Tell me, is this a somewhat decent rig? It has a price tag of $300:

CPU

CPU Type

Sempron

CPU Speed

3850 (1.30GHz)

L2 Cache Per CPU

2MB

CPU Main Features

64 bit Quad-Core Processor

Graphics

GPU/VGA Type

AMD Radeon HD 8280

Memory

Memory Capacity

4GB DDR3

Memory Speed

DDR3 1600

Memory Slot (Total)

2

Maximum Memory Supported

32GB

I don't know if any of you are familiar with it, but it's the CyberPower EQ100, and it seems like it'd be something good for someone who doesn't do a lot of PC gaming, like me.

Can you guys tell me if it's a decent PC for the price, or would it be wiser to pass it up?

horrendous system

This quick search on newegg is leagues better

Desktop

GPU

I'll pass, here I built you something: http://pcpartpicker.com/p/sK7st6 you can remove the CPU cooler out of that list and stay with the stock one but I heard the stock ones don't cool that good and very noisy.

Thank you guys for all your assistance, and I'm definitely going to look into everything you linked.