I've extracted the key phrases from your input:

1. 'for apple download The Valiant'

2. 'Download Steam client on PC'

3. 'vSMART HeatingControl'

4. 'Theater of Romance'

5. 'BlueStacks'

6. 'Valiant Hearts: The Great War'

7. 'Official Webpage (Japanese)'

Here are the requests I can fulfill:

1. Download 'The Valiant' for Apple: Unfortunately, I couldn't find a specific game or app called 'The Valiant' on the App Store. However, I did find a mention of 'Valiant Hearts: The Great War' which is available on PC and Windows 10 Mobile. You can download it using BlueStacks as described below.

2. Download Steam client on PC: I can provide you with the instructions to download and install the Steam client on your PC.

How to download and install Steam client on your PC:

1. Go to the Steam website ('www.steampowered.com'(http://www.steampowered.com)).

2. Click on 'Download Steam' at the top right corner.

3. Follow the prompts to complete the installation process.

Once you have installed Steam, you can follow these steps to download and install Valiant Hearts: The Great War:

How to download and install Valiant Hearts: The Great War using BlueStacks:

1. Download and install BlueStacks on your PC.

2. Complete Google sign-in to access the Play Store.

3. Look for 'Valiant Hearts: The Great War' in the search bar at the top right corner.

4. Click to install Valiant Hearts: The Great War from the search results.

5. Complete Google sign-in (if you skipped step 2) to install Valiant Hearts: The.

Additional information:

* vSMART HeatingControl is a smart heating control system that allows you to take control of your temperature, cost, and consumption.

* Theater of Romance was a filler show on the CBS network from 1949 to 1955, substituting for other shows like Gunsmoke and Lux Radio Theater.

* Valiant Hearts: The Great War is a puzzle game inspired by letters from World War I. It's available on PC and Windows 10 Mobile.

Please let me know if you have any further requests or questions!

For apple download The Valiant