點先可以令個電腦快d,help!help!help!help!help!help!help!

我個電腦係吉之島買,係原裝機,d野如下:
糸統;Microsoft Windows XP
Hone Edition
Version 2002
Service Pack 2
授權給: iu
55392-OEM-0011903-00109
Packard Bell
Packard Bell Computer
Intel(R)
Pentium(R) 4 CUP 2080GHz
2.79GHz,192MB的RAM
打得好詳盡,我自己知道個機好廢好廢好廢好廢好廢,help下我呀!我入hp場要5~6分鐘好慘呀,但人地話原裝機唔可以插條新的RAM,教下我