How to buy more space on Mac book

Hello. What model MacBook do you have? Newer MacBooks do not have upgradable storage. If you do not have an upgradable storage drive, your only option here will be to delete existing data on your MacBook to clear up room for your new apps.

For help on freeing up storage space, please see this article.

Other than (and including) external storage drives, to expand your Mac's capacity;

the iCloud storage that adds to a nominal capacity gratis you get within macOS..

You can extend capacities through better management, & some purchase options.

• Manage your iCloud storage - Apple Support

https://support.apple.com/en-us/HT204247

• Set up iCloud Drive - Apple Support

https://support.apple.com/en-us/HT204025

• Access and manage files in your iCloud Drive - Apple Support

https://support.apple.com/en-us/HT201104

[If you need more iCloud storage, you can buy more. If you choose a 200GB or 2TB plan, you can share

iCloud storage with your family, without sharing your files. Learn more about prices in your region.]

Other considerations would need review prior to commitment.

Hi

Go to system preferences and you will see your Apple ID

so tap on it