Local Enviro (MAMP) Theme Installation: Link You Followed Has Expired

You could unzip the theme and put it in wp-content/themes/ and then activate it. Then you wouldn’t have to deal with the issue you are experiencing on your local environment.

You should confirm that the max upload size is reflecting properly by looking at the Add New media file page.

Also, you should also try increasing the PHP max_execution_time.

Here are a couple of articles that explain some solutions,

• https://www.wpbeginner.com/wp-tutorials/how-to-fix-the-link-you-followed-has-expired-error-in-wordpress/
• https://www.wpkube.com/how-to-fix-the-link-you-followed-has-expired-error-in-wordpress/

and as @phoenixfireball says, the quick fix is to extract the theme directly into the wp-content/themes folder.