1. In 'Terminal' open a new window. shell->new window->basic
Ignore the 'update your account to use zsh' or you will regret it.
2. Download the latest release from
This is on the right of the main page under Releases. It looks like:
NanoVNASaver.macos-latest.zip
3. Drag the zip to your desktop.
4. Select between the semicolans here:
'shasum -a256 '
copy and paste or drag n drop with the mouse to the terminal window. Don't miss the space after the 6
5. Drag n drop the NanoVNASaver.macos-latest.zip icon into the terminal window, click in the terminal window and hit return.
6. Note the long number and be sure some of it matches the SHA256sums on the download page.
7. Double click the zip to open.
8. Back in terminal type 'cd ' without the semi's but with a space to change to directory
9. Drag the unzipped folder you created to the terminal, it should fill in the name, then hit return.
Check that you are in the correct directory by 'pwd' (print working directory) or 'ls' to get a list of the files in the current directory.
10. Now you can copy 'chmod +x nanovna-saver' and hit return in the terminal.
11. And 'xattr -rd com.apple.quarantine' and hit return.
12. Now either type ./nanovna-saver or ./na followed by tab key to have it auto filled and hit return or back in the folder on the desktop double click nanovna-saver like a normal mac app.
