Printkey 2000

I got a copy of Printkey 2000 5.10 Full from a friend, he has these md5sums:

93C16AF42A3D508F90AED5CCA1DB5D5B PrintKey.exe
DB4BC1B5BF470886D7C495E2E45C8553 Printkey2000.exe

This way i dont have to rely on some download, which I am not sure is safe:

http://www.zdnet.de/downloads/prg/6/y/de000H6Y-wc.html
3033b0d05c7e37999b4b9644f53785af *prntky.zip