The difference between Free Edition and Formal Edition

      In Free Edition, the maximal valid user amount is 5.
      In Free Edition, the organization name is 'Toplen', not the actual organization name.

The steps to purchase MDSS Formal Edition

1. Download and install MDSS Free Edition from here.
2. Decide which subedition you need.
3. According to the price table, finish payment process.
4. In the server program of MDSS Free Edition, click 'Registration' button, you will see a window like this:







5. Click 'Order Form' and fill out order form and save the form as *.rega file. Then send the *.rega file to toplen@126.com. In the mail, please tell us your payment information.
6. After we receive your *rega file and confirm your payment, we will send your a registration file(*.dat). In Rgistration window, click 'Registration' button then select the registration file. The Free Edition will become Formal Edition you want.

 

Subeditions and price

Edition	Maximal valid user amount	Price ($)	Buy Now
MDSS-20	20	599$
MDSS-50	50	1199$
MDSS-100	100	2199$
MDSS-unlimited	Unlimited	3199$

Valid user is the users who can do signing action. Not only the valid users, every one can verify signatures.

Service mail: toplen@126.com   

Service msn: wds8888@hotmail.com