Whether or mapping analysis, we can not do without data, today we have for everyone to share some methods URLs and download data free downloading data , the end of the text attached video tutorials .
Here we offer you some websites free access to the data :
(1) GIS data download site Daquan : a collection of commonly used vector and raster data download website, after registering an account, you can make free data download.
(2) 1: 1,000,000 National Geographic Information Infrastructure data : You can make the map as a base map.
Here to download OpenStreetMap data on, for example, to explain how to download the data. In two steps: (1) downloading the data OpenStreetMap; (2) by the data conversion line format conversion, into shapefile.
(1) Download data
URL: http://www.openstreetmap.org
OpenStreetMap open official website, click the first row in the export
selection area derived, by selecting the vertical and horizontal coordinates of the quadrilateral, may be manually selected area.
We manually selected by area, after selecting a good area, click Export, select the download path, it will download a file with the extension .OSM.
(2) Format Conversion
URL: https://geoconverter.hsr.ch
Open URL format conversion, to convert .OSM data to shapefile, choose to convert vector data format
in select file section select the file just downloaded OSM, a column select output format shapefile, click on the convert
will be prompted to download the conversion results after the conversion is successful, we downloaded the data on it
after the download is a compressed package, then we will extract it can be added to the shapefile in ArcMap for viewing and editing. 
Video Tutorial
GIS data sources download Raiders
For more information, public concern number: GIS drip