You can enable VAT from Statutory & Taxation in F11: Features .
To create a company in Tally.ERP 9
1. Go to Gateway of Tally > F3 : Cmp Info. > Create Company .
2. Press Backspace to modify the data path in the Directory field, if required.
3. Enter details pertaining to your company.
The Company Creation screen appears as shown below:
4. Press Enter to accept.
To enable VAT
1. Go to Gateway of Tally > F11: Features > Statutory & Taxation .
2. Set the option Enable VAT? to Yes .
3. Enable Set/alter tax/rate details? .
4. Enter the Tax/rate details , as required.
5. Enter VAT number .
6. Enter PIN .
7. Select the Type of Device .
8. Enter the Device number .
9. Click F12: Configure to view the Configuration screen to enable the option to set multiple devices.
10. Press Enter to accept.