Here are some links related to the issue of manual deployment:
Deployment without Orchestrator - Help - UiPath Community Forum
Is UiPath Orchestrator mandatory to create and deploy a UiPath Robot on localhost? - Intellipaat Community
rpa - UIPath - Schedule without Orchestrator - Stack Overflow
How to start bot from Task Schedular - Help - UiPath Community Forum
Run a project without Orchistrator
Manual deployment of packages to robot machines - Help - UiPath Community Forum
How can I tell the Robot the path to a local library?
Where does UiPath Assistant get the .nupkg files if the connection of UiPath Assistant with orchestrator is offline?