[Home](./index.md) > [bitburner](./bitburner.md) > [Singularity](./bitburner.singularity.md) > [upgradeHomeCores](./bitburner.singularity.upgradehomecores.md) ## Singularity.upgradeHomeCores() method SF4.2 - Upgrade home computer cores. Signature: ```typescript upgradeHomeCores(): boolean; ``` Returns: boolean True if the player’s home computer cores is successfully upgraded, and false otherwise. ## Remarks RAM cost: 3 GB This function will upgrade amount of cores on the player’s home computer. The cost is the same as if you were to do it manually. This function will return true if the player’s home computer cores is successfully upgraded, and false otherwise.