There is a Map Manager program for V1 but it does not appear to be on all the disks that were issued.
If you find you are missing this program from the "C:\Program Files (x86)\Anquet Maps" folder (it contains AnquetMaps.exe) then there is copy here you can download and copy to this folder.
If you want to use this to manage your maps (install or unlock) then go to this folder and double click the program. It is not reachable from the V1 program.