have an ep2400 how cah I increase the RAM?

[letha]

have a windows xp 2400 how can I add more RAM to system?

 

[Petrossa]

Hi Letha
You are not giving too much detail that can help us to help you.
But, if you are running XP still, you will not be able to practically install more than 3Gb RAM, unless you have XP 64-bit.
Time to upgrade - XP next to useless these days with regards to security and online safety.