Thanks for your questions. it is very easy to clear opera browser’s cookies and History. Here I’m trying to write step by step process of clear Opera browser’s cookies and History. Hope you will get your solution from here.

Now let’s we see, how clear opera browser’s cookies.

1st open your opera browser
now, click on this “o” icon, History, clear browsing data.
Now, you will see this dialog box.
Now, cheek or uncheck to select or deselect which you want to delete or not

Remember, if you select “the beginning of the time”, then your browser will clear all time used history.

If you want to delete all browsing history, then select this the beginning of the time and
Now click on, clear browsing data.
All your browser’s cookies will be cleared. . .

Now, let’s we see, the alternative shortcut way to clear opera browser Cookies

1st open your opera browser and
Press the following button from your keyboard,
ctrl + Shift + Delete key at a time.

Now, you will see this dialog box.
Now, cheek or uncheck to select or deselect which you want to delete or not
Remember, if you select “the beginning of the time”, then your browser will clear all time used history.

If you want to delete all browsing history, then select this the beginning of the time and

Now, click on, clear browsing data
All your browser’s cookies will be cleared.

Thanks for your questions.