Assalam o alikum friends

friends ma na window 7 ultimate dvd
Apna system ma ki ha phla window 7
fast chalti pr ab krny par wo window
Bhot slow chalti ha................................ Phla meanz ka phla ma window chalata tha to shi chalti ha par kuch ersa window xp chalana ka bad window 7 ki lakin wo slow chal rhi ha
Mara system ha 1gb ram 2.8 ka processer
256 vj card dell 250 ha...
Plz help window 7 mari fvrt window ha
Koi hall btaye jix sa window shi kam krt