Readme:
In the same folder where you opened this "Readme" file, copy "FissureTech Resource Pack.zip"

Open minecraft and go to Options -> Resource Packs -> Open Resource Pack Folder 

Paste it in this new window
In the same folder where you opened this "Readme" file, copy "Fissure2"
Then go back to the "resourcepacks" folder

Windows XP or earlier:
Press the folder icon with the upward pointing arrow, then find the "saves" folder, and open it. Then paste "Fissure2" there.

Windows Vista or later:
Look near the top of your window, where it should say "AppData>Roaming>.minecraft>resourcepacks. Click ".minecraft" then find the "saves" folder, and open it. Then paste "Fissure2" there

In Minecraft, change your texture pack to "Fissuretech 1.6.2 Resource Pack"

Play "Fissure2" in Singleplayer. Or if you want to run it in a server, go to 

http://www.minecraftwiki.net/wiki/Server 

to learn how. Make sure everyone has the resource pack.