@ortmtc If you purchased TurboTax Online, you must activate the code to link it to your Intuit Online account. Please use this link to activate it for your account. This code can only be activated once in a single account. All returns must be filed from this account.

https://shop.app.intuit.com/activate?rootProfile=ca&locale=en-ca

If you bought TurboTax Desktop, you need to download the software onto your computer from this link. 

https://turbotax.intuit.ca/tax/software/downloadi. Install it, and, as you follow the steps, the application will ask you to activate your product. Here's a link explaining all the steps involved in installing the Desktop version

https://turbotax.community.intuit.ca/turbotax-support/en-ca/help-article/install-products/understand...

having problems with signing in and have tried changing without any sucess very frustrated. Please help if you can

@sherriebeaver, are you receiving any error messages? If so, what error message are you receiving? Please provide me with some details. 

I want to enter a new activation code

can you assist me

@cguiyab12 

If you have bought TurboTax Do It Yourself (Online), please go to turbotax.ca/activate to use your code before you start your returns. You can see this TurboTax FAQ for step-by-step instructions: In TurboTax Do It Yourself (Online), how do I use a prepayment code? Please note that you can only use the code once in one account. Using the code again will give an error message.

If you have bought TurboTax Desktop, you will be asked for the licence code when you install the software. Please see this TurboTax FAQ for more information on the licence code: Where is my TurboTax licence code? You can download the current version of TurboTax Desktop edition here: Choose the current TurboTax Desktop edition you need (for Windows). You can download older versions of TurboTax Desktop edition here: Where can I download the Desktop edition of TurboTax?