Upgrade the Extension for OpenCart {#opencart-upgrade}
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Upgrade the Visa Acceptance Solutions OpenCart module to the latest version.
Complete these steps to upgrade to a later version of the Visa Acceptance Solutions OpenCart extension:

1. Make a note of the existing Visa Acceptance Solutions configuration values.
2. Go to ExtensionsExtensions and choose Modules from the drop-down menu. Scroll down to Visa Acceptance Solutions Configuration and click Uninstall.
3. Go to ExtensionsExtensions and choose Payments from the drop-down menu. Scroll down to Visa Acceptance Solutions Unified Checkout and click Uninstall.
4. Go to ExtensionsExtensions and choose Order Totals from the drop-down menu. Scroll down to Visa Acceptance Solutions Tax and click the Uninstall button.
5. Go to ExtensionsInstaller and delete visaacceptance.ocmod.zip.
6. Go to ExtensionsModifications and verify that the Visa Acceptance Solutions modification was removed.
7. To upgrade to the latest version, follow the steps in [Install OpenCart](/docs/cybs/en-us/isv-plugins/admin/all/na/isv-plugin-o/built-by-us/opencart-intro/opencart-installation.md "").