how to increase fps on low end pc

8:01

6:01

4:42

2:07

3:39

12:46

4:58

6:29

7:30

5:47

1:55

16:54

8:25

2:48

2:32

3:29

4:45

3:21

15:44

5:13

4:20

9:15

8:31

4:28

1:08

1:21

8:05

7:37

12:56

5:09

9:34

3:06

6:30

5:56

2:11

9:36

7:47

6:06

5:04

00:55

10:07

12:07

9:06

8:21

3:37

1:17

2:30

16:06

3:00

4:02

4:58

9:34

3:38

10:04

1:10

3:29

7:27

7:08

11:17

4:07