# How do you download uf2 files

**URL:** https://forum.makecode.com/t/how-do-you-download-uf2-files/21053
**Category:** Forum Feedback
**Tags:** game
**Created:** [July 6, 2023, 9:11pm UTC](https://forum.makecode.com/t/how-do-you-download-uf2-files/21053 "2023-07-06T21:11:15Z")
**Posts on this page:** 3
**Page:** 1

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### Author: ![goldtopaz](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/goldtopaz/32/28622_2.png) [@goldtopaz](https://forum.makecode.com/u/goldtopaz)
#### Post date: [July 6, 2023, 9:11pm UTC](https://forum.makecode.com/t/how-do-you-download-uf2-files/21053/1 "2023-07-06T21:11:15Z")

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for a while I’ve been trying to find a way to unload sprites if they weren’t on screen to make it so the frame rate would be actually good for once on my hyper the dragon game and adding in some shader extension except I can’t remember how you download makecode extensions soooooooo

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### Author: ![randomuser](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/randomuser/32/32505_2.png) [@randomuser](https://forum.makecode.com/u/randomuser)
#### Post date: [July 7, 2023, 3:09pm UTC](https://forum.makecode.com/t/how-do-you-download-uf2-files/21053/2 "2023-07-07T15:09:59Z")

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uf2 files are the game file, not the extension file!

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### Author: ![richard](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.makecode.com/richard/32/5417_2.png) [@richard](https://forum.makecode.com/u/richard)
#### Post date: [July 7, 2023, 6:09pm UTC](https://forum.makecode.com/t/how-do-you-download-uf2-files/21053/4 "2023-07-07T18:09:23Z")

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@goldtopaz here’s some sample code for you:

> **[dynamically-spawn-sprites](https://arcade.makecode.com/S95672-89072-35357-33804)**
>
> Made with ❤️ in Microsoft MakeCode Arcade.