# GPG Configuration on Windows for Secure Mail [[Prev|gpg2]] | *step 3 of 5* | [[Next|gpg4]] ## Add an encryption subkey 1. In the command window create a new GPG encryption subkey: * Type **gpg --edit-key foo@info9.net** (*with your e-mail address, of course*) * Type **addkey** * Choose type **RSA (encrypt only)** * Choose size **4096** * Choose expiration **key does not expire** * Select *Okay* and do some serious web surfing to keep your computer busy to create entropy while your key is generated! * type **save** 1. Proceed to the [[Next|gpg4]] step [[!img gpg3.png align=left]]