old pc upgrade

[veeladx]

ok so i have an old pc that my friend wants to play league of legends on it has a
2gb of ram
amd sempron 3400+
220watt

this is the pc i wanna know wat i can put in here that would actually run my friend does not have enough cash for a new pc so plz keep that to your self and thanks fo the help

 

[veeladx]

http://www.cnet.com/products/compaq-presario-sr1710nx-sempron-3400-plus-2-ghz-256-mb-100-gb/