SD 4 and SD5 registration keys

[David]

Are Spyware Doctor 4 and Spyware Doctor 5 registration keys interchangeable - i.e., can the SD4 key be used to activate SD5 and vice versa?

[Support]

In regards to your query, the license code for Spyware Doctor can be used for both version 4 and version 5. This is to support windows 98 users using version 4 and other users using version 5.