please help confuse

[Hernan Cantu]

cant install window 7 on my dell laptop its an older model it saids that i need more memory should i disinstall windows xp and just start fresh ?

 

[alexoiu]

How much memory does the laptop have?
http://www.online-tech-tips.com/computer-tips/windows-7-ram-requirements-how-much-memory-do-i-need/