Write-RegistryQWord

Changes or adds a value of type QWord (= quad word, 8 bytes) in the registry, existing entries in the registry are updated.

Settings:

Key
Select the key in which a value is to be set. Variables are allowed. Use the "..." button to select an existing key (on the packaging system) or enter the key manually.
Value name
Optionally the default value of the key or the name of another value.

Default value
Click this radio button to change the default value in the specified key.
Radio button
Select an existing value (on the packaging system) from the drop-down list or enter the value name manually.

Value
The decimal value to be set. The action is used to specify how the value is to be set (set, add or subtract).
Use 32-Bit mode on x64 computer
If the script runs on a 64-bit operating system, referencing the HKEY_LOCAL_MACHINE\SOFTWARE key allows the 32-bit application counterpart HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node to be used automatically.
Action
Defines how to handle the contents of a possibly existing value

Set value
The content is set to the specified value and any existing value is overwritten.
Add value to existing value
If a value already exists, the specified value is added to the existing content.
Subtract value from existing value
If a value already exists, the specified value is subtracted from the existing content.

Example:

The example below changes the content of the value PeriodInNanoSeconds in the key HKEY_CURRENT_USER\SOFTWARE\Microsoft\Siuf\Rules to the value 8640000000, overwriting any existing content.

Corresponds to DSM eScript command:

RegModifyQWord