To delete history Browser wise action to be taken is given below:[I] For Firefox Users.
1. Go to Firefox > History, press (Alt+S) if menu is not visible > Clear recent history or
(Ctl + Shift + Del)
2. Under "Time range to clear", select "Everything"
3. Check All The Boxes.
4. Now click the Clear now button.
[II] For IE Users
1. Go to Internet Explorer > Tools> Internet Options. Press (Alt + T) if tools menu is not
visible.
2. Click the General tab, Under Browsing History Click on Delete or (Ctl+Shift+Del).
3. Check All the Boxes, Click on the Delete Button.
[III] For Chrome Users
1. Click the Chrome Tool menu like this
on the browser toolbar.
2. Select Tools > Clear browsing data or (Ctl+Shift+Del).
3. Under "Obliterate the following items from", Select beginning of time.
4. Check All the Boxes.
5. Click Clear browsing data.