Board Thread:Questions and Answers/@comment-84.92.53.225-20130627171511/@comment-1757231-20130629074031

Go to http://www.technicpack.net/, and download the Technic Launcer. Then, startup the Launcher, and select Tekkit Classic. Enter your normal MC credentials, and now you have the mod!

Hint: The 1st time you use any modpack, you have to have an active Internet connection.