Download

Get GB Nest

Single EXE - no installation, no admin rights, no MSI. Download, unzip, run. 7-day free trial activates on first launch with email registration. No credit card required.

GB Nest Pro - 7-day trial

Windows 10 / 11 · Full Pro features (Contour Nest, Genetic Optimiser, Hole Nesting, DWG, PDF reports)

Download Pro Trial

GB Nest Standard - 7-day trial

Windows 10 / 11 · Quick Nest engine + DXF read & write

Download Standard Trial

No credit card required - just an email address.

System requirements

  • OSWindows 10 (1909+) or Windows 11
  • CPUAny modern x86 processor · 4+ cores recommended for the Genetic Optimiser
  • RAM4 GB minimum · 8 GB recommended for large jobs
  • Disk~250 MB for the application folder
  • Display1280×800 minimum · 1080p+ recommended
  • FrameworkNone - native Win32. No .NET, no Java, no Electron, no install
  • InternetRequired for activation and updates only
Get started

Up and running in under a minute

  1. Download the ZIP from the link above and unzip it anywhere you have write access (Desktop, Documents, a USB stick - all fine).
  2. Run GBNest.exe. The app opens straight away - no install, no admin password, no setup wizard.
  3. Open Options > Activate and choose "Start free trial". Enter your email - no payment details needed.
  4. Import a DXF from File > Import, set quantities, choose your sheet, and click Nest. You're live.

No installer, no service to register, no admin password needed. Delete the folder when you're done - that uninstalls it completely.

Release notes

What's new

0.1.0 · Initial release

May 2026
  • Quick Nest engine (Standard & Pro)
  • Contour Nest engine with NFP placement (Pro)
  • Genetic Optimiser with adaptive rotation and memetic local search (Pro)
  • Hole Nesting for parts inside larger parts (Pro)
  • DXF read & write (Standard & Pro)
  • DWG file read (Pro)
  • PDF report export with material cost (Pro)
  • Multi-sheet auto-fan
  • Live optimiser progress with snapshots
  • 7-day free trial - email registration, no credit card required

Want the full changelog or to report a bug? Email [email protected].