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Install or update WP Cost Estimation

Install the WordPress plugin from its ZIP file, activate it, and update an existing site while preserving your forms and settings.

Updated v10.6.772 min read
On this page
Where to find it

WordPress → Plugins → Add New Plugin → Upload Plugin

Before you start

Use an administrator account and the installable plugin ZIP from your download or purchase account. For an update, back up the WordPress database and files first; a form export is not a full site backup.

Step-by-step instructions

  1. Download the plugin ZIP. If your download contains documentation and other archives, locate the installable plugin archive inside it.

  2. Open Upload Plugin, select the ZIP and click Install Now. Activate the plugin when WordPress finishes installing it.

  3. Open E&P Forms in the WordPress sidebar. Complete the license step if you are installing a paid edition.

  4. For an existing installation, use the available WordPress update or the supported replacement ZIP workflow. Test the update on staging first, especially when changing from a legacy distribution.

Check the result

The plugin is active and the forms list opens. After an update, check an existing public form, calculation, submission and any payment flow in test mode. Clear page/CDN caches if old assets remain.

If it does not work

For “missing plugin header”, check that you selected the installable ZIP. For an upload-size or PHP error, compare the hosting limits with the package and the requirements shown by WordPress. Restore the backup if an update prevents access.