Apex Data Loader

To update prices and product names in the Standard Pricebook in Salesforce:

Create a custom pricebook.
Export products and prices from the Standard Pricebook.
Modify the exported data with updated prices and product names.
Import the modified data into the custom pricebook.
Activate the custom pricebook and set it as the default.
Update your processes to use the custom pricebook.
Test changes in a sandbox environment before applying them in production.

Regards,
Rachel Gomez