In review here are the steps to get the WiFi feature working with a laptop.
Step 3. Notes that you use the Security Key, do Not try using the 8 digit PIN choice because it will not work (See below).
To find the Password in your Fluke-1773. Fluke-1775 or Fluke-1777 do the following.
Go to the Home screen and tap on the screen circled in Red Icon.
Tap on the Communication Settings and then the WiFi Access Point.
Here is the location to find your Password, of course you would use your Password not the one in the screen below.