Desktop Performance

How do I determine the desktop performance if I my desktop has been installed with Win 95/95, 128MB memory, Pentium 550 and 10gig hardisk and the following softwares installed :-
1. Office 2000
2. Outlook
3. Backoffice application
4. Siebel client runs on SQL
5. In-house Windows based Show ticketing software runs on SQL
6. Avaya CTI client
7. Mcafee Anti-virus
8. Bank’s Payment Software
9. TinyTerm Emulation software
10. Fax client
11. NICE Call logging client

Is there a software available to check the performance on this desktop ?