Downloading and Installing CAPICOM 2.0

To use XML Digital Signatures, you must install CAPICOM 2.0.

To download and install CAPICOM 2.0

1. Go to Platform SDK Redistributable: CAPICOM 2.0 on the Microsoft.com Download Center.
2. Download the file by clicking the CC2RINST.EXE link.
3. When prompted, click Save and specify a folder on your local drive.
4. Run the self-extracting executable file. This will create a directory structure containing the redistributable, samples, readme text, and so on.
5. Navigate this directory to CAPICOM\x86\capicom.cab.
6. Right-click the capicom.dll file. Select Extract.
7. In the Select a Destination box, navigate to your system32 directory and click Extract.
8. Open a command prompt and type the following command:

   regsvr32.exe capicom.dll

   A message box should appear with the following message:

   DllRegisterServer in capicom.dll succeeded.

Note   If you first install the latest version of the Platform SDK and configure Visual C++ to use it, CAPICOM 2.0 might already exist in updated form on your system. To verify, check the date and version information on capicom.dll in your Windows system directory (i.e. C:\WINDOWS\system32).