Copy the .nsp file to an "NSPs" folder on your SD card root.
: Right-click the .rar file and select "Extract Here" . IFR-RF-NSwTcH-UPDATE1.3.4-NSP-Ziperto.rar
Drag and drop your extracted .nsp file into that folder to install it. Copy the
On your PC, open the new "Switch" drive and navigate to the folder. IFR-RF-NSwTcH-UPDATE1.3.4-NSP-Ziperto.rar
Open on your Switch, go to "Explore Content" > "SD Card" , and find your file. Select the file and choose "Install" . For Emulators (Yuzu / Ryujinx)
: Use a tool like 7-Zip or WinRAR on your PC.
: You should now have a file ending in .nsp . This is the actual update file you will install. Step 2: Choose Your Installation Method