Install Step 2: Setting Up Theme Files
Create theme files
- Copy and save your Fast App ID.
Fast APP ID
The Fast App ID (
app_id) can be found in the Install section of your Fast Seller Dashboard. You can also retrieve your Sandbox App ID from the Sandbox Seller Dashboard. - Log in to your BigCommerce store at https://login.bigcommerce.com/login.
- On the sidebar click Storefront > My Theme.
- Under Current Theme click Advanced > Make a copy.
- Type in the name of your copy and click Save a Copy.
This copy is specifically to have as a backup. You can name it whatever you want (e.g. "My Backup copy").
- Under My Themes, under the copy you made, click ...(ellipses) > Apply.
- Click the style that you selected for your store’s theme. Then click Continue.
Confirm that the copy you just made is active
-
To do this, confirm that the name of your backup copy is listed under Current Theme.
- It might also have a word like "light" or "warm."
- If, for any reason, the copy is not active, reach out to Customer Success at [email protected] for help.
Edit your theme files
-
Under Current Theme, click Advanced > Edit Theme Files.
Edit Theme Files Warning Pop-up
You might get a warning pop-up. Click Edit theme files if you want to continue.







