Two pieces of software you need
To use a Digital Signature Certificate on your computer you usually need two things working together: 1. The **driver** for your particular USB token, so Windows can see the device. 2. A **signing utility** that lets a website or application use the certificate to sign.
Find your token's driver
Install the driver that matches the token you own:
- **HYP2003**
- **Watchdata ProxKey**
- **Gemalto SafeNet eToken 5110**
- **mToken**
- **PRECISION InnaITKey**
Each has a 32-bit and 64-bit version for Windows. Install the one that matches your Windows, then plug the token in.
The signing utility
Government portals talk to your token through a small signer/PKI component that must be **running** while you sign. If the portal cannot find your certificate, the usual cause is that this utility is closed — start it, then reload the page.
When the token does not appear
- Check the driver is installed and up to date.
- Try a different USB port and make sure the token is seated properly.
- Close and reopen the signing utility, then the browser.
- Confirm the certificate has not expired.
A note on browsers
Some portals work best in a particular browser and need their own settings. If signing fails in one browser, try the one the portal recommends after restarting it.
Get the right file
We keep the driver and utility links organised by token model so you download the correct one and nothing else. If you are unsure which token you have, the model name is printed on the device.