Here is how to increase WordPress upload size to allow uploads of larger size plugins and media files.
Just follow the instruction below:
Step 1 - Check WordPress Maximum Upload File Size
Go To Media > check upload file size limit

You will see something like this
Option 1 - Contact WordPress Hosting Service To Increase Upload Size


Just contact the hosting support, and they can do it for you right away
Option 2 - Edit PHP.INI file


Login to the C Panel, and access the MultiPHP INI editor, and change the maximum upload file size to whatever value you want, and save it
Option 3 - Add Code to WordPress Theme function.php file

Go to Appearance > Theme File Editor > function.php file
Add the following codes to the bottom of the file
@
ini_set
(
'upload_max_size'
,
'256M'
);
@
ini_set
(
'post_max_size'
,
'256M'
);
@
ini_set
(
'max_execution_time'
,
'300'
);

Option 4 - Add Code to .htaccess File
Add the following codes to your .htaccess file:
php_value upload_max_filesize 256M
php_value post_max_size 256M
php_value max_execution_time 300
php_value max_input_time 300
This file controls the high level configuration settings for your website, and you can access this right inside your WordPress site file directory.
Before editing, save a copy first.
Option 5 - Use A Plugin

Here is a easier way to skip copying and pasting codes to files.
Please download WP Increase Upload Filesize here