This option is no longer available. However, you can purchase an entire Family Set as one-time purchases in the Web app.
After making your purchase, you will receive a zip file containing all the vector files.
You can download them directly to your computer without the need for any subscriptions.
Please note that even if you own all the assets in that set, there is a limitation of using up to 100 icons, 50 illustrations, 50 elements, or 50 emojis per project.
For additional details regarding the scope and limitations of the license, please refer to the article below.