how to set default search engine in chrome

1:12

4:36

4:09

10:38

17:52

2:15

1:21

کوتاه

24:14

4:28

16:31

4:12

4:15

4:48

1:42

10:31

کوتاه

2:58

4:44

2:17

5:01

6:20

6:15

7:32

4:45

5:42

3:03

5:20

5:20

4:29

2:51

21:05

5:02

2:05

10:29

10:14

کوتاه

6:08

7:17

12:59