There are several computer upgrade options available depending on the needs of the user. 

Some common upgrade options include:

• 1. Increasing RAM: Upgrading the existing RAM or adding more RAM to the system will increase its performance in terms of multitasking, handling large applications and data-intensive tasks.

• 2. Upgrading the Hard Disk Drive (HDD): Upgrading to a Solid State Drive (SSD) or a faster HDD will improve the system's boot-up time and read/write speeds, providing faster access to data and applications.

• 3. Upgrading the Graphics Card: If you are a gamer or use graphics-intensive applications, a graphics card upgrade can improve the visual quality of the system.

• 4. Upgrading the Processor (CPU): Upgrading the processor can greatly enhance the system's overall performance, allowing for faster processing of tasks.

• 5. Upgrading to a New Operating System: Upgrading to the latest version of an operating system can improve security and provide new features and functionalities.

It is important to consider the compatibility of the upgrade options with the existing hardware before making any changes.