Want to update my graphics

my os is windows 8 just installed mac theme
plz find graphics for me.
here's my PC specs :-
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System Information
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Time of this report: 8/9/2014, 13:35:57
Machine name: MARKOSH
Operating System: Windows 8 Pro 64-bit (6.2, Build 9200) (9200.win8_gdr.140502-1507)
Language: English (Regional Setting: English)
System Manufacturer: Packard Bell
System Model: EASYNOTE_NJ65
BIOS: PhoenixBIOS 4.0 Release 6.1
Processor: Pentium(R) Dual-Core CPU T4300 @ 2.10GHz (2 CPUs), ~2.1GHz
Memory: 2048MB RAM
Available OS Memory: 1976MB RAM
Page File: 2364MB used, 2211MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
DxDiag Version: 6.02.9200.16384 64bit Unicode

Display Devices
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Card name: Mobile Intel(R) 4 Series Express Chipset Family
Manufacturer: Intel Corporation
Chip type: Mobile Intel(R) 4 Series Express Chipset Family
DAC type: Internal
Device Type: Full Device
Device Key: Enum\PCI\VEN_8086&DEV_2A42&SUBSYS_021C1025&REV_09
Display Memory: 796 MB
Dedicated Memory: 64 MB
Shared Memory: 732 MB
Current Mode: 1366 x 768 (32 bit) (60Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: unknown
Monitor Id: BOE059F
Native Mode: 1366 x 768(p) (59.973Hz)
Output Type: Internal
Driver Name: igdumd64.dll,igd10umd64.dll
Driver File Version: 7.15.0010.1829 (English)
Driver Version: 7.15.10.1829
DDI Version: 10
Feature Levels: 10.0,9.1
Driver Model: WDDM 1.0
Graphics Preemption: DMA
Compute Preemption: DMA
Driver Attributes: Final Retail
Driver Date/Size: 6/19/2009 09:20:06, 5860864 bytes
WHQL Logo'd: n/a
WHQL Date Stamp: n/a
Device Identifier: {D7B78E66-6902-11CF-B074-1622A9C2CA35}
Vendor ID: 0x8086
Device ID: 0x2A42
SubSys ID: 0x021C1025
Revision ID: 0x0009
Driver Strong Name: oem24.inf:5f63e5348ad1f097:iCNT0:7.15.10.1829ci\ven_8086&dev_2a42
Rank Of Driver: 00F62001
Video Accel: ModeMPEG2_A ModeMPEG2_C ModeWMV9_B ModeWMV9_C ModeVC1_B ModeVC1_C