STEP 1) Get the source tar, check it and upack it
$ cd ~/
$ mkdir tor
$ cd tor
$ torsocks wget https://www.torproject.org/dist/tor-0.2.8.10.tar.gz
$ torsocks wget https://www.torproject.org/dist/tor-0.2.8.10.tar.gz.asc
$ torsocks wget https://www.torproject.org/dist/tor-0.2.9.6-rc.tar.gz
$ torsocks wget https://www.torproject.org/dist/tor-0.2.9.6-rc.tar.gz.asc

https://www.torproject.org/dist/tor-0.2.8.10.tar.gz
https://www.torproject.org/dist/tor-0.2.9.6-rc.tar.gz

NOTICE
The following .onions have been flagged as Phishing links by http://7cbqhjnlkivmigxf.onion/
Do not get files from the following onion sites:
e5qcqoax4chithot.onion (2016-02-27) (Phishing link)
zgfgvob256pffy62.onion (2014-12-29) (Phishing link)