In order to load the new 2025 source tax table, you can follow the instructions in the FAQ
How to load source tax tables.
Whether you use WinEur Salaries locally or on the Cloud (SaaS), the tables for the various cantons are NOT automatically loaded into WinEur Salaries. It's up to you to load the different cantonal tables, which are necessary for the correct calculation of withholding tax.
You can also see the list of cantons with the latest publication dates in the FAQ
Dates of withholding tax tables 2025
To keep abreast of the latest information, don't hesitate to subscribe to the confederation's press releases at :
https://www.admin.ch/gov/fr/start/dokumentation/medienmitteilungen/medienmitteilungen-abonnieren.html