You would need to buy each one separately.
For US.......The Online versions won't open until December. You can buy the Desktop CD/Download program now here
https://turbotax.intuit.com/personal-taxes/cd-download/
TurboTax Canada products are available at https://turbotax.intuit.ca/tax-software/index.jsp
Prior years are here, https://turbotax.intuit.ca/tax-software/prior-year-taxes.jsp
Canada Online software
http://turbotax.intuit.ca/personal-tax-software/online-tax-software.jsp
