How to Reset Opera Browser to Default Settings on Windows 10?br br Note: If you have Opera Browser Opened, you need to close it. Go to 'Task Manager', check if Opera browser is opened, select it, and then click on 'End task'.br br br Step 1: Press 'Win+r' key on keyboard to get run window.br br Step 2: Type 'appdata', and then click on 'ok' button.br br Step 3: Open 'Local' folder by double clicking on it.br br Step 4: Find 'opera software', and then double click on it to open it.br br Step 5: Select the 'opera stable' folder, and then right click on it, and then click on 'Delete'.br br Step 6: Go to 'Appdata' folder again, Double click on 'Roaming' folder to open it.br br Step 7: Follow the step 4 and step 5.br br Step 8: Now, Open your opera browser. You will see the welcome page.br br br It's done.