Open the installer and navigate to the file on your (SD card). Select the update file and choose Install .
The file refers to a digital update for Phoenix Wright: Ace Attorney Trilogy (PWAAT) on the Nintendo Switch (NSw) . The "102" indicates it is the v1.0.2 update , and the file is hosted on Ziperto , a popular site for Nintendo Switch ROMs and updates. File Breakdown PWAAT : Phoenix Wright: Ace Attorney Trilogy. NSwTcH : Nintendo Switch. PWAAT-NSwTcH-NSP-Update102-Ziperto.rar
: Move the .nsp file to your Switch's SD card. It is often recommended to place it in a dedicated folder named "NSP" for organization. Open the installer and navigate to the file
If you prefer a single file containing both the base game and this update, you can use on a PC. This tool merges the base NSP and the Update NSP into one consolidated file, which simplifies storage and installation for emulators like Ryujinx or Yuzu. The "102" indicates it is the v1