> For the complete documentation index, see [llms.txt](https://brenkel-solutions-eg.gitbook.io/installation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://brenkel-solutions-eg.gitbook.io/installation/english-1/licensing/saas/buy-subscription.md). # Buy Subscription If your trial subscription has expired, you will need a valid subscription. Learn how to purchase this in this section. To buy a subscription you have to start the wizard from the Assisted Setup.

Choose Buy/Update Subscription

Figure 3: Buy Subscription - Product Information

Based on the active users, in your current company, you will be automatically placed in the most suitable, most favorable product for you. In addition you receive information such as the price, or the accounting period. \ If you already have a valid subscription you can activate it directly. To do so, select “Activate existing subscription”. Otherwise you need a “New subscription”. {% hint style="info" %} Please note that the current prices may differ from the prices in the illustrations. {% endhint %}

Figure 4: Buy Subscription - Prepare for activation

Please make sure that you state your VAT ID number when purchasing. You will get a hint in the assistant where to enter it.

A new browser window will then open

Please make sure to indicate your VAT ID number. The prices are shown first including VAT. Next, you must transfer your data. In the case buying by credit card, the window looks like this:

Figure 7: Buy Subscription - FastSpring Dialog

Once you have completed your subscription, you must activate it in Business Central. In the wizard, please enter the email address you used in the purchase process.

After a successful validation, the wizard must still be finished.

{% hint style="success" %} You have now successfully purchased a demandPlus+ subscription. {% endhint %}