3D Analyst Tools ArcToolbox

Download QGIS

QGIS (Quantum GIS 3.18.3)

1. A free program that serves geographic information systems through open source data, easy to access and use, and it can be downloaded for free from the company's website in a very easy way.
2. QGIS is a very powerful program in data display, encoding, and map output, and it can read many data, the most important of which is the data of ArcGIS and ArcGIS Pro programs.
3. And I advise our honorable visitor to use it in the methods of displaying and displaying data and geographical layers, and you can save the pattern and encoding of any layer and use it in data display programs on the Internet.
4. QGIS can also be used to create, modify and visualize geospatial databases, perform the required analyzes, and then 
5. produce maps and reports.

Download Link.

Geographical Information Systems (GIS):

It is the science that is concerned with collecting, storing and preserving data and geographical phenomena, conducting spatial and descriptive analyzes of them, and producing maps to help decision makers make their decisions with less time and effort to develop the goal of using ArcGIS programs.

• This program (QGIS 3.18.3) is open source and does not require a license to operate.
• The way to download is very easy through the following video, which has English subtitles.