Start by opening "Financial" in the menu in the upper left corner.

Then click "Setup" → "VAT types"
You can also search for "VAT types" by clicking the search field in the upper left corner.

NOTE: if you cannot find "VAT types", it is because you lack permission for it. In that case, you can contact support to get access.
Click "+"
Here is an example of how a VAT type can be set up:

REMEMBER to finish by clicking "Save"
Want to know more?
Read more in these related articles:
VAT types
How to create, edit and validate VAT types in Sapera. The article covers all three sections (VAT, Used-goods VAT and EU VAT / Reverse charge types), the exclusivity rule, the Clear button per section, the Validate function and the deletion flow.
Accounting - Finance setup
This article explains how to configure the finance setup in Financial
Chart of accounts
Get an overview of all accounts in the company's chart of accounts. Create, edit and delete accounts, follow movements, and manage budget and periods directly from this screen in Financial.