> For the complete documentation index, see [llms.txt](https://mysite.gitbook.io/sdas_manual_eng/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://mysite.gitbook.io/sdas_manual_eng/readme/02_install.md).

# Installation Guide

## 1. System Configuration Minimum Requirements

The SDAS analysis software package is decompressed and installed on a Linux system. The computing environment needs to meet the following minimum requirements (does not support some analyses such as the GPU mode of cell2location):

* 8-core Intel or AMD processor (>24 cores recommended)
* 128GB RAM (>256GB recommended)
* 200G free disk space or higher
* 64-bit CentOS/RedHat 7.8 or Ubuntu 20.04

## 2. Software Download

Cloudflare CloudDrive: <https://demo.stomicsdb.tech/STOmics_Software_Packages/SDAS/sdas-1.0.1.tar.gz>

Note: Can be downloaded using wget,  `MD5：dcc69f9b8f2eabfd5ca5d3f688efb427`

Github: `git clone https://github.com/STOmics/SDAS.git` (Due to GitHub's file size limits, sdas-1.0.1.tar.gz and the h5ad test data are not included in the repository )

## 3. Installation

<mark style="color:red;">**Important Notice!!!**</mark>: After extraction, you must execute the setup.sh script to ensure proper operation of R path-related modules. Do not change the software installation location or rename the software directory after installation to avoid path configuration failure.

```bash
unzip sdas-1.0.1.zip
tar -xzf sdas-1.0.1.tar.gz
cd sdas-1.0.1
sh setup.sh
```

## 4. Test Run

```bash
./SDAS -h
```

## 5. Other Instructions

* **The software compressed package is about 30G, after decompression about 70G**
* **About GPU usage**: Please install CUDA >= 11.8 by yourself, refer to <https://docs.nvidia.com/cuda/cuda-installation-guide-linux/>