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.1.4.4.zip
(File size: 28Kb / Tested up to: 5.9)
Options for Twenty Twenty Premium / Trial
options-for-twenty-twenty-premium.1.4.1.zip
(File size: 21Kb / Tested up to: 5.9)
Options for Twenty Nineteen Premium / Trial
options-for-twenty-nineteen-premium.1.1.9.zip
(File size: 12Kb / Tested up to: 5.8.2)
Options for Twenty Seventeen Premium / Trial
options-for-twenty-seventeen-premium.1.2.6.zip
(File size: 27Kb / Tested up to: 5.9)
SideMenu Premium / Trial
sidemenu-premium.1.2.3.zip
(File size: 15Kb / Tested up to: 5.9)
WordPress Maintenance
wordpress-maintenance.1.0.2.zip
(File size: 17Kb / Tested up to: 5.9)
How to install a plugin .zip file?
Always remember to run a full backup of your website’s database and filesystem before installing anything!