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Opera Installation Guide

OperaOpera Browser

Video Tutorial

Video Description

The video shows the complete installation process, applicable to all Chromium-based browsers.

Method 1: Online Installation (Chrome Web Store)

Chrome Extension Compatibility

Opera is based on the Chromium engine and can directly install extensions from Chrome Web Store.

Step 1: Open Chrome Web Store

Open Chrome Web Store in Opera and search for "PriceMinder".

Step 2: Click Install

On the extension detail page, click the "Add to Opera" button, and click "Add extension" in the confirmation dialog.

Step 3: Pin to Toolbar

Click the Extensions button (puzzle icon) in the upper right corner of Opera, find "PriceMinder" and pin it to the toolbar.

Extension pinned to toolbar

Step 4: Start Using

Click the PriceMinder icon on the toolbar to open the extension panel and start using it.

Extension panel

Method 2: Offline Installation (ZIP Extract and Load)

Step 1: Download the ZIP Package

Download sentinelseller-extension-1.0.1.zip from the official website.

Click to download ZIP

Step 2: Extract to a Fixed Folder

Extract the ZIP file to a fixed directory (e.g., D:\Extensions\PriceMinder). Do not delete this folder afterwards.

Step 3: Open Extensions Management Page

Type opera://extensions in the Opera address bar and press Enter to open the extensions management page.

Find the "Developer mode" toggle in the upper right corner of the page and turn it on.

Step 4: Load Unpacked Extension

Click the "Load unpacked extension" button at the top of the page, select the extracted folder to complete installation.

Extension loaded interface

Step 5: Pin to Toolbar

Click the Extensions button in the upper right corner of Opera, find "PriceMinder" and pin it to the toolbar.

Step 6: Start Using

Click the PriceMinder icon on the toolbar to open the extension panel and start using it.

Extension panel

Post-Installation Configuration

Configure Push Notifications

Push notification configuration

Configure Crawl Interval

Crawl interval settings

FAQ

Is it safe to install Chrome extensions in Opera?

Yes. Opera is based on the Chromium engine and officially supports installing extensions from Chrome Web Store.

Cannot find the "Load unpacked extension" button?

Make sure the "Developer mode" toggle is turned on. It is located in the upper right corner of the extensions management page.

Released under the MIT License.