For official guidance, use Hikvision's free password reset tool and check their documentation.
Release the button. The DVR will boot up into the original "Inactive" setup screen, allowing you to create a brand-new administrator password from scratch. 5. Best Practices for DVR Security
If you are locked out of your DVR-208G-F1 and do not know the custom password that was set during activation, you must perform a password reset. You can use the local interface or the official software utilities. Dvr-208g-f1 Default Password
When you power on a new or factory-reset DVR-208G-F1 for the first time, you will be prompted to "Activate" the device: : admin (default).
Choose the option to reset via the GUID file and select the file from the USB directory. For official guidance, use Hikvision's free password reset
When you power it on for the first time, you will see an screen.
Before attempting a full reset, try the standard default credentials if the device is new or has never been set up: admin Password: 12345 When you power on a new or factory-reset
Export the XML file or take a screenshot of the QR code/Serial Number.
Important Note: For security reasons, modern Hikvision devices, including newer firmware versions of the DVR-208G-F1