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Updated How to Install and Use Game Updates (markdown)

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Zach Hilman 2018-08-26 21:14:45 -04:00
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How-to-Install-and-Use-Game-Updates.md
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## Repacking to NSP
- If you only have games in directory format, and re dumping is not an option (it's much easier/safer), and you can guarantee that the romfs hasn't been updated or modified in any way, then you can trick yuzu into patching it. First download this [python script](https://github.com/CVFireDragon/nspBuild/releases/latest). You will need Python to execute it. Then copy it to the romfs directory and execute the following in command prompt: `python nspBuild.py out.nsp ...` where ... are the names of all the game files in the dir (`main`, `main.npdm`, `sdk`, `rtld`, `subsdk*`, and `game.romfs`). Then `out.nsp` will contain your packed games and updates will apply to it.
- If you only have games in directory format, and re dumping is not an option (it's much easier/safer), and you can guarantee that the romfs hasn't been updated or modified in any way, then you can trick yuzu into patching it. First download this [python script](https://github.com/CVFireDragon/nspBuild/releases/latest). You will need Python to execute it. Then copy it to the romfs directory and execute the following in command prompt: `python nspBuild.py out.nsp ...` where ... are the names of all the game files in the dir (`main`, `main.npdm`, `sdk`, `rtld`, `subsdk*`, and `game.romfs`). Then `out.nsp` will contain your packed games and updates will apply to it.
## Adding a Version Number to NCA Updates
**WARNING: For advanced users only**
- Go to `%YUZU_DIR%/nand/user/yuzu_meta`. Find the file called `Patch_<>.cnmt` where <> is the title ID of the update. Open this file in a hex editor. Edit the four bytes starting at offset 0x8 to the version you want. This is a LE u32 value. To remove this custom version, make the value 0.