I've seen other versions but they have some incorrect parts. This is probably 99% correct.
Standard tuning
Intro: B F# G#m E
B
She's dropping out of school 'cause she don't need the grade,
F#
The colors in her hair don't seem to fade,
G#m
I get dressed up when I go out
E
but she gets dressed down
B
She's 17 I've told her I'm 20,
F#
I couldn't take her out 'cause Mom's got no money,
G#m
It's stuff like this that makes me wish
E
that I could change somehow
G#m F# E
Sitting here at home, it's obvious
B F#m
She's so out of reach, and I'm finding it hard
E
'Cause she makes me feel, makes me feel,
Em
Like I try, like I try, like I'm trying too hard,
B F#m
'Cause I'm not being me, and it's getting me down
E
That she makes me think, makes me think,
Em
That I try, that I try, that I'm trying too hard again
B F# G#m E
'Cause I'm trying too hard again
[ Tab from: https://www.guitartabs.cc/tabs/0-9/5_seconds_of_summer/try_hard_acoustic_crd_ver_3.html ]
B
She's got a rose tattoo but she keeps it covered,
F#
I play guitar but she's into drummers,
G#m
She's seen my face around
E
but she doesn't even know my name
B
I pierced my lip so she thinks I'm cool,
F#
I ripped my jeans and dropped out of school,
G#m
I followed her 'round the town
E
but she thinks that I'm a weirdo now
G#m F# E
Sitting here at home, it's obvious
B F#m
She's so out of reach, and I'm finding it hard
E
'Cause she makes me feel, makes me feel,
Em
Like I try, like I try, like I'm trying too hard,
B F#m
'Cause I'm not being me, and it's getting me down
E
That she makes me think, makes me think,
Em
That I try, that I try, that I'm trying too hard again
G#m F# E
But now, who knew?
She's in the crowd of my show
G#m F# E
Nothing to lose,
She's standing right in the front row
G#m F# E
The perfect view,
She came alone on her own,
E F#
And there's something that you should know
* = single strum
B* F#m*
You're so out of reach, and I'm finding it hard
E*
'Cause you make me feel, you make me feel,
E
Yeah she makes me feel, she makes me feel
It's obvious
B F#m
She's so out of reach, and I'm finding it hard
E
'Cause she makes me feel, makes me feel,
Em
Like I try, like I try, like I'm trying too hard,
B F#m
'Cause I'm not being me, and it's getting me down
E
That she makes me think, makes me think,
Em
That I try, that I try, that I'm trying too hard again
Outro: B F# G#m E
This is my first tab, so I apologize for any mistakes. If you see any, please comment!