[Home](./index.md) > [bitburner](./bitburner.md) > [Singularity](./bitburner.singularity.md) > [installAugmentations](./bitburner.singularity.installaugmentations.md)
## Singularity.installAugmentations() method
If you are not in BitNode-4, then you must have Level 3 of Source-File 4 in order to use this function and the RAM cost is doubled.
This function will automatically install your Augmentations, resetting the game as usual.
Signature:
```typescript
installAugmentations(cbScript?: string): void;
```
## Parameters
| Parameter | Type | Description |
| --- | --- | --- |
| cbScript | string | Optional callback script. This is a script that will automatically be run after Augmentations are installed (after the reset). This script will be run with no arguments and 1 thread. It must be located on your home computer. |
Returns:
void
## Remarks
Singularity - Level 3