Yes, that's the link to the sig patches, that's the only way you're going to be able to boot tinwoo or tinfoil in a way to install games. You might also want to explore the world of dumping your backup to an XCI. You could use the the nxdumptool for that, dump it to an XCI, and then patch it with the "Ninty switch cleaner and builder" [NSC_BUILDER]
https://github.com/julesontheroad/NSC_BUILDER
You can patch the XCI to only look for a certain firmware level. I've had good luck with that, and it works for me 99% of the time, and you probably won't need to upgrade your firmware if you do that.
There are alot of dump guides out there. If you make it as far as dumping an XCI you can patch it with these instructions I put at this link:
https://gbatemp.net/threads/switch-noob-paradise-ask-questions-here.488277/post-9664851
Good luck and GodSpeed.
PS - Since you only will have 1 XCI go into multipack mode, just drop the one file and then follow the rest of the instructions remember to choose you want to patch the XCI to a certain FW level.
One more note, based on your first comment, you upgraded Hekate and Atmosphere, however you still could update your formware more, on the emuMMC, but that's your choice. So to be clear here are your 2 or 3 routes:
- Update your emuMMC with daylight, to your preferred Switch FW level, it dosen't have to be 13.1.0 (Google is your friend)
OR
- Install the SIGpatches THEN Install the game with tinwoo and or tinfoil) to your SD card, and see if it asks for a firmware upgrade, if it dosen't you're golden, but if it does and for some reason YOU DON'T want to upgrade your formware, then you could try...
- Dumping the XCI (Or use your imagination in regards to magical XCI's through the digital matrix), and then patching the XCI with NSC_BUILDER.
There's 3 possible options for you.