Just to keep complete !
How to Hack your DS2000 series :
Download the firmware:
https://mega.co.nz/#!MdcEWTgL!0EEmSr-Q6TxaFSsyEmjhRrgqDvFCoXg9K49BalL5Uxc
Download the rigup:
https://mega.co.nz/#!qAkUkTZB!XG12bUKhIz4CmQt6DbBnGRMvEe5AvUjEaBxi4R03tw8 or
https://www.hightail.com/download/elNKUXV1dzg5bEJ2TzhUQw1 - Copy the DS2000Update.GEL from the DS2000(DSP)update_00.02.01.00.03 (license keys dump) zip file to a fat 32 pendrive.
2 - Press the power on button on the front panel of the instrument. All of the buttons will light. At the same time press two or three times the Help key on the front panel. all buttons will unlight.
3- insert the USB stick into the front panel.
4- Wait for the end of the firmware update(may take more than 1 min.... be patient)
5 - all of the buttons on the front panel will be lit. Turn off the scope. Remove the pendrive. Turn on again
6 - check the new firmware version , should be now 00.02.01
7 - Connect to USB cable to PC and open up Ultra Sigma Software ( you may need to install the NI-VISA full driver , google it and will find easy to download, from ni.com)
8 - On the Ultra Sigma software, click with the left button on your scope being listed, click on SCPI Panel Control, then click Send & Read button (*IDN? command should be already wrote on the SCPI COMMAND, if not, please write it ). It will bring back something like :
RIGOL TECHNOLOGIES,DS2072A,DS2D154700708,020084001000E9BC3D59216F9F9A1DD30EFED1AE20F92000ABC495314FF8236E708F9A2C6E3F6E87D09019C79419FEA9E9F3862A12CA1DE90800819A17FCA12E500540003330313233345645645465333033374342323539363234343535354243343836453538424243353233314631353132443135383035353734463544413334
9- Get from ( 020084 till the end) Copy and paste on HxD editor on the middle column ( which shows 02 00 84 00 10 00 E9 BC 3D 59 21 6F 9F 9A 1D D3..... so on )
10 - now, on the right side of the editor, just append your model serial number( DS2D1....... ) , no spaces, just append, and append more 00 after your model on the middle column.
11 - save the file on you hard drive , same folder as rigup exe, and open command prompt, go to the same folder as rigup and do : rigup ds2072a key.txt ( replace dS2072a for the model you have, and replace key.txt for the filename you saved.
Now it will show you the serials !!!
No credit for me other the explaining... The guys did here ALL the hard work!