These plugins are not just trial versions. When activated after a purchase they become premium plugins.
Options for Twenty Twenty-One Premium / Trial
options-for-twenty-twenty-one-premium.1.4.7.zip
(File size: 29Kb / Tested up to: 6.0.2)
Options for Twenty Twenty Premium / Trial
options-for-twenty-twenty-premium.1.4.2.zip
(File size: 21Kb / Tested up to: 6.0.2)
Options for Twenty Nineteen Premium / Trial
options-for-twenty-nineteen-premium.1.2.0.zip
(File size: 12Kb / Tested up to: 6.0.2)
Options for Twenty Seventeen Premium / Trial
options-for-twenty-seventeen-premium.1.3.0.zip
(File size: 27Kb / Tested up to: 6.0.2)
SideMenu Premium / Trial
sidemenu-premium.1.2.4.zip
(File size: 17Kb / Tested up to: 6.0.2)
WordPress Maintenance
wordpress-maintenance.1.0.8.zip
(File size: 20Kb / Tested up to: 6.0.2)
How to install a plugin .zip file?
Always remember to run a full backup of your website’s database and filesystem before installing anything!