Downgrade Windows 7 Hp 4540s Drivers
This page contains the list of device drivers for HP ProBook 4540s. To download the proper driver, first choose your operating system, then find your device name and click the download button. Download the latest drivers for your HP ProBook 4740s to keep your Computer up-to-date. Windows 10, Windows 8.1, Windows 7, Windows Vista, Windows XP: Download. Aug 23, 2013 Next, MDT can be used to deploy Windows XP, Windows 7, Windows 8, Windows Server 2003, Windows Server 2008 and Windows Server 2008R2. Using MDT, you can easily add both applications and drivers, manage Windows updates, create task sequences, prompt for a computer name, join a domain, add a KMS or MAK product key, create an administrator account, specify time. DOWNLOAD HP ProBook 4540s TSST ODD Firmware HH04. CATEGORY: C: Firmware HP COMPATIBLE WITH: Windows XP / 7 / 7 64 bit. Always use the most recent driver.
You will first need to go to the manufacturers website for your model computer and first find out if there are Windows 7 native drivers available. A lot of computers that come preloaded with Windows 8 do not have native driver support for Windows 7 by the manufacturer. If there are no native drivers, you will have to consider returning the machine and purchasing a machine preloaded with Windows 8 Pro with downgrade rights to Windows 7 Professional. Or look through the manufacturers catalogue for systems already preloaded with Windows 7, usually the business line will have these options.
Resources:
Return the laptop if it came preloaded with Windows 8 and purchase one already preloaded with Windows 7, they are still available:
How to downgrade:
Download Drivers For Windows 10 Hp 4540s
Backup before you reinstall Windows 7:
Bluetooth Driver For Windows 7 Hp
Consider dual booting (credit JW Stuart MVP):
Additional information:
Since you want to downgrade to Windows 7 to meet the business requirement, you may refer this article and check if it helps.
Consumer versions of Windows 8 Pro that come preinstalled on PCs have downgrade rights to a previous version of Windows (example: Windows 7, Windows Vista).
If your copy came pre-installed on your system, you may downgrade your copy to Windows 7.
If not you need purchase a copy of Windows 7 and install the same on your computer.
• Downgrade rights are only available for licenses obtained through OEM or Volume Licensing (VL) and not apply to Full version (FPP).
• OEM downgrade rights apply to Windows 8 Pro and allows for downgrades up to two prior version
• Software Assurance through VL (Volume licensing) provides the greatest flexibility, allowing for downgrades to all prior versions and editions besides Windows 7 Ultimate and Vista Ultimate editions.Without Software Assurance coverage, VL has downgrade rights to prior versions of Windows with the exception of Enterprise.
The only thing you can do with Mountain Lion on the Officejet 5510 is to make sure that you have run the Apple Software Updates with your printer plugged in with the USB cord. This will get you the latest HP Software that you can run on Mountain Lion. Once it is completed you can refer to the HP. Download the latest driver, firmware, and software for your HP Officejet 5510 All-in-One Printer.This is HP's official website to download drivers free of cost for your HP Computing and Printing products for Windows and Mac operating system. 
Find support and troubleshooting info including software, drivers, and manuals for your HP Officejet 5510 All-in-One Printer.
• It is not possible for a Windows 8 copy with multi-language function to downgrade to Windows 7 Pro or Windows XP Pro as multi language function is exclusive to Windows 7 Enterprise edition and not available for Professional edition.