Right-click on LosslessScaling.exe , go to > Compatibility , and check "Run this program as an administrator." This allows the app to hook into full-screen games properly.

While your query specifies version 2.10.1, the application has advanced significantly. As of April 2026, the tool has reached versions like , featuring advanced LSFG 3.1 (Frame Generation) which supports X2, X3, and even X4 frame multipliers. Where to Download (Official vs. Unofficial)

During Steam Next Fest or specific promotional weekends, the developer occasionally offers a free weekend. Bookmark the Steam page to catch these events.

If you try the version and find it indispensable, consider purchasing the latest version on Steam to support future updates (v2.11, v3.0, etc.). The free version is excellent for testing; the paid version is for long-term, safe access.