Keyword Analysis & Research: how do i delete recent files history

Keyword Analysis

Keyword	CPC	PCC	Volume	Score	Length of keyword
how do i delete recent files history	1.06	0.4	6311	55	36
how	0.25	0.7	6663	68	3
do	1.62	1	3624	44	2
i	0.98	0.3	7461	87	1
delete	0.57	0.5	5141	69	6
recent	2	0.2	1089	25	6
files	0.47	0.3	9429	70	5
history	1.35	0.3	2958	88	7

Keyword	CPC	PCC	Volume	Score
how do i delete recent files history	1.03	0.3	67	78