# One Shop Manager help

The guides below cover getting started with One Shop Manager and everyday use. A question left unanswered: [contact@oneshopmanager.com](mailto:contact@oneshopmanager.com).

## Guides

- [Install One Shop Manager and connect a shop](/en/help/installation.md): app, psmanager module, connection in three steps.
- [Synchronization and offline work](/en/help/sync.md): what is copied, when, and how to force a resync.
- [License, trial and computers](/en/help/license.md): 14-day trial, purchase, activation, changing computers, updates.
- [Troubleshooting](/en/help/troubleshooting.md): common error messages and solutions.
- [Frequently asked questions](/en/faq.md)

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Source: https://oneshopmanager.com/en/help · updated 2026-09-30