Choose 'Enabled' to require to create and use new signatures with passwords.
Choose 'Disabled' to not require to create or use new signatures with passwords.
This will change the setting of 'Require password to use this signature' in PDF Sign > Create Signature > Options.
| Registry Hive | HKEY_LOCAL_MACHINE or HKEY_CURRENT_USER |
| Registry Path | Software\Policies\Foxit\PDFReader\Preferences |
| Value Name | RequirePasswordSignatures |
| Value Type | REG_DWORD |
| Enabled Value | 1 |
| Disabled Value | 0 |