Remove Your Existing Bank Account:
Log in to PayPal and click Finance at the top of the page.
Go to Banks and Cards.
Select the bank you want to remove.
Click Remove bank.
Link Your New Arc Account:
Go to Banks and Cards.
Click Link a new bank.
Search for "Arc" or select it from the list.
Enter your Arc account login details to link instantly, or enter your bank account information manually and click Agree and Link.
Your PayPal account will now be linked to your Arc account for transactions.