Assuming you have acquired the legitimate portable build, here is the optimal setup guide for v2.8.1.
For Low-End Laptops & Integrated Graphics (Intel Xe / AMD Radeon Vega) 720p Target Display: 1080p Scaling Type: AMD FSR (Sharpness: 4) lossless scaling v281 portable
Click the blue button in the top-right corner of the app. Assuming you have acquired the legitimate portable build,
Prior to v2.8.1, enabling HDR Support (either for an HDR display or Windows 11’s Auto Color Management) could cause LSFG to stop functioning correctly. This bug has been fully resolved in this release. lossless scaling v281 portable
Perfect for Windows-based gaming handhelds where internal storage is precious. You can run the utility directly from an SD card.