1. Download Sandboxie and install
If you have free version Sandboxie you can run only 2 HS
( 1 HS with sandbox and second using normal luncher)
If you have paid version you can run unlimited many copy hs
2. Create new Sandbox
3. Select Sandbox option
4. Uncheck this option
5 Add location your battle.net aps and hs game
6. Go to your battle.net folder and run as "Run Sandboxed" your Battle.net.exe aps.
7 Use your configured sandbox
1 HS = 1 Sandbox profile
if you need more HS, configure more profile
How to get Fireside Friends card back
Run 3 HS client
Play 3 game with your second acc ( join to game and leave game 3x )