Install

Hi there, @catdog.

Thanks for taking the time to follow along with the thread and sharing your concerns. 

Although it's not recommended, your client can use QuickBooks Desktop without an internet connection. However, periodically they will need to connect to the internet to verify their subscription. QuickBooks Desktop requires internet connection so release updates can be sent to the user and their subscription can be verified. 

Once your client connects to the internet, the can use the steps I've included below to verify the subscription. 

Here's how: 

1. Click on the Help menu. 
2. Choose Manage my license.
3. Select Sync license data online. 
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4. Once the license data has been synced, hit OK. 

While your client is still connected to the internet, I recommend downloading the latest updates. This way, your client can ensure they have the most recent release. You can see how to update QuickBooks in our help article: Update QuickBooks to the latest release. 

I also wanted to share our System Requirements guide. This way, you can see what is recommended and required to use QuickBooks Desktop.  

Please let me know if you have any questions or concerns. I'm always here to lend a hand. Take care!