What graphics card?

And the audio is already at 24 bit, 48000 Hz, even before I opened it. e.e.

AMD Athlon II X4 640 Processor 3.00 GHz.

What Athlon are we talking about here? I run Platinum games on the neolithic Pentium E6600 Dual-Core from 2007, and while I haven't tried this, Metal Gear Rising hit max settings without a problem.

Also, Radeon is a graphics card, Athlon is a processor. :\

Just trust me on the sound settings. You don't think it would work, but it actually did make a huge difference for me in a lot of games.

I have AMD Athlon, and the requirements are ATI Radeon.

It's not my audio, my audio is fine, it's just how fast my game runs

I don't meet the system requirements on just my processor. I kind of fixed like half of the lag, but my characters look like they run in slow motion

If not, try this.

1) Right-click the Windows symbol that normally pulls up the Start Menu.
2) Choose "Control Panel."
3) "Hardware and Sound," "Manage Audio Devices."
4) Right-click your active speakers and click "Properties."
5) Under the "Advanced" tab, turn up your sound quality up to at least 24 bit. My own audio quality is at 24 bit and 48000Hz, it fixed all the problems I was having with modern games like Grim Fandango Remastered and EA's Battlefront.

I mean the game's super easy to run, and you really shouldn't have any kind of issues.

Have you changed your audio settings at all?

What do you mean?