[Jacques]

Sharity is probably SMB v1 which is considered fatally flawed. It is possible to re-enable it on current Windows versions but I think it requires registry hacking and is discouraged. You could try to connect to a Windows 2000 or XP system from Sharity.

The Mac speaks SMB v2.

My experience when connecting to SMB shares from non-windows clients has always been erratic at best. I know they disabled v1 due to security reasons but they also messed with some other features in v2 and v3 about the same time which caused further problems in non-windows clients. Shares which previously could be accessed with no password now require full username/login, connecting using a computer name now requires connecting to an IP address instead, and a long list of issues. These are just off the top of my head from running a Kodi box with a library stored on a SMB share. There are bound to be many others. I guess if all your computers are Windows based you are in the clear, you are otherwise bound to run into issues.

Where i can download samba for IRIX because sharity Ask me a license and i don’t have a lincense for sharity and i don’t know if sharity works without a license

It works as 'freeware' with one connection and share.