is my computer wroth updateing?

by PDub
Question by Justin Elric: is my computer wroth updateing?
what parts need to be updated??

Operating System System Model
Windows XP Professional Service Pack 2 (build 2600)
Install Language: English (United States)
System Locale: English (United States) Enclosure Type: Desktop
Processor a Main Circuit Board b
2.00 gigahertz Intel Celeron
8 kilobyte primary memory cache
128 kilobyte secondary memory cache
Not hyper-threaded Board: MICRO-STAR INTERNATIONAL CO., LTD MS-6533
Bus

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