I Speed Up My computer VISTA

As My comuputer is only have a vista score of 2.0 and speed is too slow...But ..it is more speed up by this ways..
(1) Computer .-------->Properties----->Advanced System setting----->Performance----->setting---->Advance
(2)Virtual Memory------>change..ကို၀င္ၿပီး (1) select Drive (Volume label ) ...C: / :D /:E etc , then change Customsize ...Initial size (MB) 1000...Maximum size (MB) 1500 etc...
(3)Then CLick ( Set)
(4)Finally Click ( OK)

I choose Google desktop instead of window VISTA side bar

I choose Google desktop instead of window VISTA side bar

I am making a download of google desktop .
I get also a new sidebar...that is more eazy than window VISTA sidebar..
It can easily show as a search box or re-expand as a sidebar eazily...I make all Plugin download from that google desktop website

and I use instead of window vista side bar ...more search
and more fast ..