• Download Process Lasso

Download Process Lasso

Free Download for Windows

Download Process Lasso

Version 18.4.0.48, released October 1, 2026, for Windows 10/11 and Windows Server. This is the official site of Process Lasso, and every installer is signed by Bitsum Technologies (Bitsum LLC).

Download for 64-bit WindowsVersion 18.4.0.48 · 2.9 MB · x86-64
Other builds
  • Free to use indefinitely
  • Signed installer
  • No bundleware
Process Lasso v18 Main Window

All Builds

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Nearly all PCs use x86-64. If you pick the wrong one, no harm done: The installer checks your Windows version and fetches the correct installer for you. Click a checksum to copy the full SHA-256.

Stable
ArchitectureVersionSizeReleasedSHA-256
x86-64 (most common)Recommended18.4.0.482.9 MB0af9d4727e15…Download
x86-3218.4.0.482.6 MBfb1178665c7b…Download
ARM64 (Windows on ARM)18.4.0.482.7 MB025a0d708978…Download
Beta BuildsNew features and fixes first, with less testing.
Beta
ArchitectureVersionSizeReleasedSHA-256
x86-64 (most common)19.0.0.633.9 MB52a415e33b81…Download
x86-3219.0.0.633.5 MB130b14842df2…Download
ARM64 (Windows on ARM)19.0.0.633.6 MB9a04b1850e6e…Download

See the changelog for what changed in each release.

Free or Pro?

Free to Use, with an Optional Pro License

Process Lasso is free to use indefinitely, but some advanced features are trial only. Compare Free and Pro.

$39.95 $23.97once
Get Process Lasso Pro

Lifetime license: One payment, all updates forever.

  • ProBalance: Keeps Windows responsive when background programs hog the CPU.
  • Performance Mode: Switches to the Bitsum Highest Performance power plan while your games run.
  • SmartTrim: Trims background processes only under real memory pressure.
  • CPU Limiter: Puts a hard cap on how much CPU a program can use.
  • Process Lasso setup guide: Recommended first steps and settings.

Process Lasso is a registered trademark of Bitsum LLC, DBA Bitsum Technologies.

Bitsum Technologies

Independent Windows software since 2002. We build novel solutions to software performance and automation challenges.