Um, I'm a newbie at PC requirements, and this is hecka old, but...?

[miggyg]

I don't know what i actually need to play Assassin's Creed on my PC, I don't want my download to go down the drain...

Here are my PC's System Info:
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System Information
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Operating System: Windows XP Professional (5.1, Build 2600) Service Pack 2 (2600.xpsp_sp2_qfe.080814-1242)
Language: English (Regional Setting: English)
System Manufacturer: Dell Inc.
System Model: Dell DXP051
BIOS: Phoenix ROM BIOS PLUS Version 1.10 A03
Processor: Intel(R) Pentium(R) D CPU 2.80GHz (2 CPUs)
Memory: 510MB RAM
Page File: 793MB used, 450MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 9.0c (4.09.0000.0904)
DX Setup Parameters: Not found
DxDiag Version: 5.03.2600.2180 32bit Unicode

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Display Devices
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Card name: RADEON X300 SE 128MB HyperMemory
Manufacturer: ATI Technologies Inc.
Chip type: RADEON X300 SE (0x5B60)
DAC type: Internal DAC(400MHz)
Device Key: Enum\PCI\VEN_1002&DEV_5B60&SUBSYS_06021002&REV_00
Display Memory: 128.0 MB
Current Mode: 1024 x 768 (32 bit) (60Hz)
Monitor: Plug and Play Monitor
Monitor Max Res: 1600,1200
Driver Name: ati2dvag.dll
Driver Version: 6.14.0010.6561 (English)
DDI Version: 9 (or higher)
Driver Attributes: Final Retail
Driver Date/Size: 8/4/2005 03:10:38, 205312 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: n/a
VDD: n/a
Mini VDD: ati2mtag.sys
Mini VDD Date: 8/4/2005 03:10:18, 1273344 bytes
Device Identifier: {D7B71EE2-1820-11CF-136A-0826A1C2CB35}
Vendor ID: 0x1002
Device ID: 0x5B60
SubSys ID: 0x06021002
Revision ID: 0x0000
Revision ID: 0x0000
Video Accel: ModeMPEG2_C ModeMPEG2_D ModeWMV8_B ModeWMV8_A ModeWMV9_B ModeWMV9_A
Deinterlace Caps: {6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(YUY2,YUY2) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
{552C0DAD-CCBC-420B-83C8-74943CF9F1A6}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,2) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
{6E8329FF-B642-418B-BCF0-BCB6591E255F}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,1) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_PixelAdaptive
{335AA36E-7884-43A4-9C91-7F87FAF3E37E}: Format(In/Out)=(NV12,0x3231564e) Frames(Prev/Fwd/Back)=(0,0,0) Caps=VideoProcess_YUV2RGB VideoProcess_StretchX VideoProcess_StretchY DeinterlaceTech_BOBVerticalStretch
Registry: OK
DDraw Status: Enabled
D3D Status: Enabled
AGP Status: Enabled
DDraw Test Result: Not run
D3D7 Test Result: Not run
D3D8 Test Result: Not run
D3D9 Test Result: Not run

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Sound Devices
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Description: SigmaTel Audio
Default Sound Playback: Yes
Default Voice Playback: Yes
Hardware ID: HDAUDIO\FUNC_01&VEN_8384&DEV_7680&SUBSYS_102801A7&REV_1032
Manufacturer ID: 1
Product ID: 100
Type: WDM
Driver Name: sthda.sys
Driver Version: 5.10.4548.0000 (English)
Driver Attributes: Final Retail
WHQL Logo'd: Yes
Date and Size: 6/6/2005 20:40:48, 180736 bytes
Other Files:
Driver Provider: SigmaTel
HW Accel Level: Full
Cap Flags: 0xF5F
Min/Max Sample Rate: 100, 192000
Static/Strm HW Mix Bufs: 65, 63
Static/Strm HW 3D Bufs: 65, 63
HW Memory: 0
Voice Management: Yes
EAX(tm) 2.0 Listen/Src: Yes, Yes
I3DL2(tm) Listen/Src: Yes, Yes
Sensaura(tm) ZoomFX(tm): Yes
Registry: OK
Sound Test Result: Not run


So, what else do I need to get? And, probably, how much will they all cost?