If you do not have a POS connection, you can quickly create multiple tables at once via Floors & Tables.
Go to Floors & Tables.
Click the green Add tables to floor button.
Fill in the required fields:
Prefix (optional): Enter a prefix, such as T, if you want your tables to be named T-1, T-2, etc.
From: Enter the number of the first table.
To: Enter the number of the last table.
Click Create Tables.
Your new tables will immediately appear in the table list below.