Change Default Memory Limits, Upload Limitations, and Other Things Using .ini Files

Create a file either on your local machine or through your file manager on your hosting, call it .user.ini, place it in the document root (usually public_html) of your website.
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Edit this file and you can add your own values here are a few popular values to edit and some example values:

upload_max_filesize = 32M
post_max_size = 32M
memory_limit = 128M
max_input_vars = 3000
max_execution_time = 60

A full list is available here: