Yes, you can get flash player from the related links section below.
Only Windows 64-bit operating systems can run 64-bit applications
To use 64-bit specific applications, you must purchase both a 64-bit processor and a 64-bit version of Windows. 64-bit applications will not run on 32-bit versions of Windows, even if a 64-bit capable processor is installed. You also cannot install a 64-bit version of Windows on a 32-bit only processor.
The both versions (32-bit and 64-bit) of Windows 7 are supported.
Yes. However, Mozilla does not officially support the 64-bit build on Windows yet. You can find some downloads for unofficial 64-bit builds for Windows in the Related Links section.
There is no 64-bit version of Adobe Flash Player currently available for Windows. You must use the 32-bit version, along with a 32-bit browser.
Windows 7 home premium 64-bit can support up to 16GB of RAM
The free upgrade to Windows 10 typically refers to the upgrade from Windows 7 or Windows 8.1 to Windows 10, and it can include both 32-bit and 64-bit versions, depending on the version you are upgrading from. If you are running a 32-bit version of Windows 7 or 8.1, you will receive the 32-bit version of Windows 10; similarly, a 64-bit version will upgrade to 64-bit Windows 10. To take advantage of the 64-bit upgrade, your hardware must support it.
No, unless you are running programs optimized for 64 bit windows, and the vast majority (99.some percent) are not. The main advantage of 64 bit windows is support for crazy large amounts of memory (>4GB)
Yes, and given the lack of 64 bit software support, probably better, and you can use unsigned drivers.
It depends on the version. 32-bit Windows supports up to 4GB of RAM, whereas 64-bit versions support 4GB + of RAM. It is the same with Windows Vista and 7.
Yes, except for Windows XP 64-bit and Windows Server 2003 64-bit with Itanium processors.
If you click on Help/About Internet Explorer/ you will see to the right of the version number: "64-bit Edition" if IE is the 64-bit version. If it's the 32-bit edition, there will be no mention of it. As of this point in time (July 11, 2010), Adobe has not made a 64-bit version of Flash available for Windows-based systems. As a result. the 64-bit version of Internet Explorer cannot render Flash objects, including the YouTube video player.