How Can I Speed Up My Slow PC?

Question

Operating System
System Model

Windows XP Home Edition Service Pack 2 (build 2600)
Enclosure Type: Desktop

Processor a
Main Circuit Board b

3.07 gigahertz Intel Pentium 48 kilobyte primary memory cache512 kilobyte secondary memory cache
Board: SiS-651C Serial Number: UL6M43706203Bus Clock: 133 megahertzBIOS: Phoenix Technologies, LTD 6.00 PG 04/15/2005

Drives
Memory Modules c,d

60.05 Gigabytes Usable Hard Drive Capacity18.59 Gigabytes Hard Drive Free SpaceSONY DVD RW AW-G170A [CD-ROM drive]3.5" format removeable media [Floppy drive]SAMSUNG SV6003H [Hard drive] (33.81 GB) -- drive 0
992 Megabytes Installed MemorySlot 'A0' has 512 MBSlot 'A1' has 512 MBSlot 'A2' is EmptySlot 'A3' is Empty
 
Local Drive Volumes
 

c: (NTFS on drive 0)
60.05 GB
18.59 GB free