The keyword "download" can lead to malicious third-party sites. To safely, follow these official and trustworthy methods.
Running an outdated plugin (version 6.77 was released years ago) exposes your site to known vulnerabilities.
Have you had success with this version? Let us know in the comments below!
For convenience, you can try accessing the official archive ZIP directly via this URL structure (this works for most repository versions): https://downloads.wordpress.org/plugin/all-in-one-wp-migration.6.67.zip
# Navigate to your WordPress plugins directory cd wp-content/plugins/