The Steam page for Travis Strikes Again: No More Heroes Complete Edition just went up and while there is no confirmed release date like there is for the PlayStation 4 version in Japan, Marvelous Inc. who is publishing the PC version has put up the system requirements for the game that debuted on Nintendo Switch earlier this year.

Travis Strikes Again: No More Heroes Complete Edition contents
Travis Strikes Again: No More Heroes game
DLC #1: Black Dandelion
+Playable character Shinobu Jacobs*
+2 Shinobu exclusive skills
+6 new Badman Adventure mode chapters
*Usable after clearing the main game
DLC #2: Bubblegum Fatale
+Playable character Bad Girl*
+2 Bad Girl exclusive skills*
+New stage Killer Marathon
+1 new Travis Adventure mode chapter
*Skills/Character usable after clearing Killer Marathon

Travis Strikes Again: No More Heroes Complete Edition PC minimum requirements
Requires a 64-bit processor and operating system
OS: Windows 7 Home 64-bit
Processor: Intel(R)Core(TM)i5-6500 CPU @ 3.20GHz(4 CPUs),~3.2GHz
Memory: 8 GB RAM
Graphics: GeForce GTX 750 Ti
DirectX: Version 11
Storage: 8267 MB available space
Sound Card: NVIDIA High Definition Audio
Travis Strikes Again: No More Heroes Complete Edition PC recommended requirements
Requires a 64-bit processor and operating system
OS: Windows 7 Home 64-bit
Processor: Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz(8 CPUs),~4.0GHz
Memory: 8 GB RAM
Graphics: NVIDIA® GeForce® GTX 970
DirectX: Version 11
Storage: 8267 MB available space
Sound Card: NVIDIA High Definition Audio
Travis Strikes Again: No More Heroes is now available on Nintendo Switch. It will be coming to PS4 and PC later this year as Travis Strikes Again: No More Heroes Complete Edition. Check out the Steam page here.