Go to roku official website
Now tap the Create an account option.
Now Fill in the correct information that is asked in the form.
Similarly, you must provide a valid email ID that you are using.
Further, make a secure password for the Roku account.
Later, you can make use of these as the Roku account credentials.
If you wish to create a Roku PIN, to it by navigating to the settings.
Thirdly, you have transacted your bucks to get the Roku via roku.com/link
Make use of the Paypal method or the Credit card method as your mode of transaction.
Once after the transaction, the Roku account will be ready.
Lastly, the account is all set for activation using the Roku link code.