> For the complete documentation index, see [llms.txt](https://l-shop-en.gitbook.io/documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://l-shop-en.gitbook.io/documentation/master.md).

# Welcome to the official L-Shop documentation

Here you can get exhaustive information on how to work with the system. The information collected here will be useful to both the normal user and those who are going to change the L-Shop code.

## Documentation pages

* [Getting started](/documentation/installation.md)
  * [What is L-Shop?](/documentation/installation/what-is-l-shop.md)
  * [Features](/documentation/installation/features.md)
  * [System requirements](/documentation/installation/system-requirements.md)
  * [**Installation**](/documentation/installation/installation.md)
  * [Database conversion](/documentation/installation/database-conversion.md)
* [Configuration](/documentation/configuration.md)
  * [Basic applciation configuration](/documentation/configuration/basic-app-configuration.md)
  * [Payment systems](/documentation/configuration/payment-systems.md)
  * [Configuraton for PostgreSQL](/documentation/configuration/postgresql-configuration.md)
  * [Setting up the development environment](/documentation/configuration/setting-up-the-development-environment.md)
* [Software API](/documentation/software-api.md)
  * [Purchasing](/documentation/software-api/purchasing.md)
    * [Integration with payment systems](/documentation/software-api/purchasing/integration-with-payment-systems.md)
    * [Change in the method of delivery of products](/documentation/software-api/purchasing/change-in-the-method-of-delivery-of-products.md)
  * [Adding a server monitoring driver](/documentation/software-api/adding-a-server-monitoring-driver.md)
  * [Changing the password hashing algorithm](/documentation/software-api/changing-the-password-hashing-algorithm.md)
  * [Permissions](/documentation/software-api/permissions.md)
    * [Represenation of data](/documentation/software-api/permissions/representation-of-data.md)
    * [Receiving data](/documentation/software-api/permissions/receiving-data.md)
    * [Search and filter data](/documentation/software-api/permissions/search-and-filter-data.md)
* [General information](/documentation/general-information.md)
  * [Items and products](/documentation/general-information/items-and-products.md)
  * [Standard distributors](/documentation/general-information/standard-distributors.md)