What is a reliable website to download texture packs from? Also, how do you import the texture packs into an offline world in Minecraft?
Texture packs go in your texture pack folder. There are two ways to get to this on a Windows machine:
Open up Minecraft and go to
Options > Texture Packs > Open texture pack folder
Press Win+R, type in
%appdata% and click OK, then open the
.minecraft folder (this is usually, but not always, at the top of the list). Then open the
Simply put the file you downloaded in this folder and select it in-game from the Texture Packs menu.