Librarians can use LibCentral, the administrative and acquisitions site for Ebook Central, to upgrade an ebook's access model. When upgrading an access model, the library will be charged the difference in price between the price originally paid and the price of the upgraded model. Access models can be upgraded manually using "Quick Purchase" or "Add to Cart." Access models can also be upgraded automatically, using the Extended Access settings in LibCentral.

To upgrade an access model using "Quick Purchase":

Search for the ebook in LibCentral, by title, document ID, ISBN, etc.
Click on the title to see the full bibliographic information and price (the price information is located near the ebook's cover image).
Next to the access model that you want to upgrade to, click "Quick Purchase".

"quick purchase" is to the right of the price. Click "quick purchase" for the ebook license that you want to upgrade to

Enter the fund code to be charged.
You will be charged the price difference between the access model originally purchased, and the upgraded access model.

 upgrading this 1user license to a 3user license costs $27.50. Enter a fund code to be charge and click "upgrade"

You will receive an order confirmation.

order confirmation, confirming upgrade of 1user license to a 3user license


Upgrade to the next available access model using "Add to Cart":

When upgrading an access model using "Add to Cart," access models will automatically be upgraded to the next access model. If you prefer to select an access model to up grade to (example: a 1-user upgraded to Unlimited), use "Quick Purchase" to upgrade the access model, as described above.​

Search for the ebook in LibCentral, by title, document ID, ISBN, etc.
Click on the title to see the full bibliographic information and price (the price information is located near the ebook's cover image).
Next to the access model that you want to upgrade to, click "Add to Cart".

to the right of the price information on the ebook's Full Record in LibCentral, click "add to cart"

In the Cart/ Order Review, check the box "upgrade all titles that are available for upgrade." The listing in your cart will change to an upgrade order. If you do not check this box, your order will be placed for an additional license for the ebook.

 this 1-user license was upgraded to a 3-user license. The cost of the upgrade is $8.30

Click "place order." The library will be charged the difference between the price originally paid and the price of the upgrade.