This article will show you how to log in to and modify a password on a WinBook D5008DH DVR.Here is how to do this:1. Right click on the preview screen and click on Main Menu. 2. Click on the user name drop down and select the user account. Default usernames are admin and user. 3. Click on the password field and type in the password for selected username. The default password is 123456. Click OK to log in to the DVR. 4. From the Main Menu, click on Configuration. 5. Click on Account. 6. You will see all the current accounts. Click on Modify Password. 7. Select the user and type in a new password in the password fields and click OK. 8. Click on OK to save the changes.