[Home](./index.md) > [bitburner](./bitburner.md) > [Hacknet](./bitburner.hacknet.md) > [upgradeLevel](./bitburner.hacknet.upgradelevel.md) ## Hacknet.upgradeLevel() method Upgrade the level of a hacknet node. **Signature:** ```typescript upgradeLevel(index: number, n?: number): boolean; ``` ## Parameters

Parameter	Type	Description
index	number	Index/Identifier of Hacknet Node.
n	number	_(Optional)_ Number of levels to purchase. Must be positive. Will be rounded to the nearest integer. Defaults to 1 if not specified.

**Returns:** boolean True if the Hacknet Node’s level is successfully upgraded, false otherwise. ## Remarks RAM cost: 0 GB Tries to upgrade the level of the specified Hacknet Node by n. Returns true if the Hacknet Node’s level is successfully upgraded by n or if it is upgraded by some positive amount and the Node reaches its max level. Returns false otherwise.