QuickBooks Desktop Product License

Hi there, @Longcay.

I want to ensure that QuickBooks Desktop data will be transferred to you successfully.

You'll need to reach out to your seller so you can transfer the data. They'll be able to change the admin rights under your name to prevent them from accessing the program.

You can provide this link as the reference on how they can modify the primary contact of the account: Change or update the Primary Contact on your QuickBooks Account.

Once done, you can now transfer your file from 2012 to the 2016 version of QuickBooks. You'll need to create a backup of the 2012 version then restore it to the 2016 version afterward.

To do that:

1. Go to the File menu, choose Back Up Company, then select Create Local Backup.
2. Select Local Backup.
3. Click Options.
4. In the Tell us where to save your backup copies field, select Browse and select the location in which to save the backup copy.
5. Hit OK.
6. In the Create Backup window, specify whether to back up automatically, and select Options to set options for automatic backups.
7. Select New to set a backup schedule in the Schedule Backups dialog.
8. Click Finish.

I've got you an article for your reference: Create a Backup of your Company File.

After that, you can restore a backup copy:

1. In QuickBooks, go to the File menu and select Open or Restore Company.
2. Select Restore a backup copy and then Next.
3. Select Local Backup and then Next.
4. Browse your computer for your backup company file. It should look like this: [Your company name].qbb.
5. Select a folder to decide where to save your restored company file. Then select Open.
6. When you're ready, select Save. If you see any messages about possibly overwriting your data, select the option that best fits your needs. Don't overwrite anything unless you know you want to.

I'm also adding this article that you can check out about transferring QuickBooks to another PC: Move Your Company Files To Another Computer. 

You may also consider upgrading your QuickBooks to the latest version, so you'll be able to work with your file smoothly.

I'd suggest visiting this website: User Guides. From there, you can get do-it-yourself articles, training, and pro advice that will help you get familiar with QuickBooks Desktop. 

I'll be right here to help if you need further assistance with managing your data or any QBDT-related things. Keep safe!

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@Longcay wrote:

Recently i tried to transfer data from an older version (2012) but encountered difficulties.

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@Longcay 

What kind of difficulties did you encounter? 

Anyway, to have a license code and a product code are not enough. Ask your seller to provide the activation/validation code as well. Otherwise, you should claim the refund.