How can i download without paying again?
You should have received the license code for your purchase - https://ttlc.intuit.com/turbotax-support/en-us/help-article/product-system-requirements/find-license-code/L4GHDgGpr_US_en_US?uid=m68a2gqd
If you have the license code then go to the this TurboTax website to download the software - https://turbotax.intuit.com/personal-taxes/cd-download/install-turbotax/