[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 | Number of levels to purchase. Must be positive. Rounded to nearest integer. | 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.