No problem! The steps are there in the account info / settings tab.
Basically-
Download the new file, save it in a folder alone with you old file.
Do the steps to acknowledge the "security risk" on the new file, as seen in FAQ question #1 (you dont need to open the new file yet, just right click it):
https://mycostpro.com/faq/Open the old file, go to account info tab, click STEP 1 button.
Copy the download key to the clipboard.
Close the old file.
Open the new file, put in the download key, go to account info tab, click step 2. Wait until completion message pops up (after MOTD pops up).
