First you must have Cadence setuped on you computer. T* v+ s2 ]+ |5 j' N; N8 XThe DSN, and brd files can be imported into Altium. 9 ^& t" }' d4 }/ H
then you can edit your design in Altium. + d* P _3 }7 G! e6 Y & q; i; w. _/ e9 a: G* } _If you mean How to use Altium Designer, You can find a lot of technique article in http://wiki.altium.com/display/PUB/Altium+Wiki* K. ]. `/ q% l2 w% u
5 m3 T# f( ~$ i1 D