How can update?

[eluser]tnathos[/eluser]
Hi, i have a proyect in 1.7.1 CI.. i never make update the CI.. now release 1.7.2... how make the update? what folders or files need copy? i dont like lose the configuration database,etc.... and etc...

thanks.

[eluser]tnathos[/eluser]
forgeret... i find the solution. hope http://ellislab.com/codeigniter/user-gui...e_172.html