Solving operating system version: must be 5.0, 5.1, 5.2. Actual 6.1 Failed in Win - 7 (64 Bit)

You might face an issue while installing Oracle 10g forms as below.

So lets go software folder and search for "oraparam.ini" file and edit it and then
modify as below to accept 6.1 version.

Ideally this 'oraparam.ini' file will be present above your "setup.exe" file which we use for installation.

[Certified Versions]
Windows=5.0,5.1,5.2,6.1

then save and retry installation.