Download TortoiseSVN from: http://tortoisesvn.net/downloads
After consulting the suggestion(s) listed on the Download page, select a (32-bit or 64-bit) of TortoiseSVN to download
Select a download location from one of the SourceForge mirrors
Save the file locally
Wait for the download to complete
Whe the download has finished, click on Open
Click on OK in the warning window
Click on Next in the TortoiseSVN Setup window
Read through the License Agreement - if you agree, select I accept the terms in the License Agreement and click on Next
Click on Next in the Custom Setup window
Click on Install in the Ready to Install window
Wait for the install to complete
Click on Finish when TortoiseSVN is done installing
You will now need to reboot your computer; when ready to proceed, click on Yes
Launch TortoiseSVN by click on Start -> Programs -> TortoiseSVN -> TotoiseSVN
Click on OK in the alert Window
Windows Explorer should now be launched
Create a directory (aka folder) to save and store all the maps (example name: maps)
Right click on that newly created folder and select TortoiseSVN -> Create repository here...
A new popup window will appear asking you to select the type of repository, choose Native filesystem (FSFS) and click on OK
Another popup should appear showing that The Repository was successfully created, click on OK
Right click on that same folder (ex: maps) and select TortoiseSVN -> Export... - this will allow you to download the mapset from SVN
In the popup window, enter in the following information:
URL of the repository: svn co https://crossfire.svn.sourceforge.net/svnroot/crossfire/maps/branches/1.x
Export directory: </path/to/the/directory/you/created>/maps
Revision: HEAD revision
Click on OK
A new window will show the download progress and status, this may take a while
When the download is finished, click on OK
You have now used SVN to check out the latest branch version of the Crossfire mapset