Go to File > Install Code to NAND (or "Install Files to NAND"). Select your Pokemon Scarlet 301 NSP file.
If you have located a link for the update, installation depends on your platform: On Nintendo Switch (CFW)
Staying updated to at least version 3.0.1 is vital for several reasons:
You need this version (or higher) to access the Part 2: The Indigo Disk content.
Go to File > Install Code to NAND (or "Install Files to NAND"). Select your Pokemon Scarlet 301 NSP file.
If you have located a link for the update, installation depends on your platform: On Nintendo Switch (CFW) pokemon scarlet 301 nsp link
Staying updated to at least version 3.0.1 is vital for several reasons: Go to File > Install Code to NAND
You need this version (or higher) to access the Part 2: The Indigo Disk content. pokemon scarlet 301 nsp link