Want to learn all software in CS6 master collection

CS6 is from 2012 so it may be hard to find any tutorial links today

Be aware that Adobe no longer supports CS6 and that most employers have long since moved on to the subscription-based Creative Cloud. 

You may also checkout below link :

https://prodesigntools.com/newsletter.html

you can use google to search for tutorials for each program you're learning.  you can figure about 10hours to gain competence in each program.  expertise would take longer.