Installing Root Certificate on Windows XP

Step 1:

If your document was signed from 6 Jan, 2018: Download the Secured Signing Root Certificate. 
If your document was signed up to 6 Jan, 2018: Download the Secured Signing Root Certificate. 
 
 

Step 2:

Double click on the Root Certificate from your download location and click Install Certificate.


Step 3:

In the wizard that pops up, click Next.


Step 4:

In the next window click Next.


Step 5:

In the next window click Finish.


Step 6:

Choose Yes in the Security Warning window.


Step 7:

Click Ok to complete the installation.

Do you need anything else?