Upgrading of Time off manager 365 from App Catalog

Prerequisites:

1. A global admin or SharePoint admin is capable of installing the application.
2. The application's features function through APIs, and global admins have the authority to enable these APIs.


1. Go to  "portal.office.com"






2. Access the Microsoft admin center through the app launcher.






3. Access the navigation menu in the upper-left corner and then click on 'SharePoint.






4. In the SharePoint Admin Center, choose 'More features' and then click 'Open' under 'Apps'.






5. Select 'Classic experience' under 'Manage Apps'.






6. Upload the package here by clicking on the 'Upload' button.






7. Select the downloaded file and then click on the 'OK' button.






8. Select the package, then click on 'Files,' and click on 'Deploy.






9. Mark the checkbox and then click on 'Deploy' to proceed.





finally, verify the version number of the application.