To clear Internet history in Opera: Go to "Edit" menu and select "Preferences". Select "Navigator" under the "Category" listing. Select "Clear History" in the "History" area. Click "OK" to erase history.
Clear Windows History
Windows keeps tracks about your computer activity in order to provide a more pleasant computer experience. But those history tracks can compromise your privacy and provide a way for others to view what you have been doing, searching, downloading, running, saving, what documents and files you have just opened etc.
Clear All History protects your privacy and easily clears all Windows history tracks from your PC.
Tips:
The fastest way to clear history tracks: Double-click on Clear All History desktop icon Click 'Tools' button in program toolbar. Select What to Clear item. Click 'Quick select' button. Click 'Clear all selected items' button or click 'Clear All' More details...