openSUSE is a full desktop package so has most functionality either on the base install or by download. Or if all else fails many Windows programs can be run with wine
Wine HQ
Here
The table of equivalents / replacements / analogs of Windows software in Linux. (Official site of the table) is a slightly out of date list of Linux/Windows equivalents.
Some info. here
How to migrate from Windows - openSUSE.
Also, why not keep Windows and dual boot openSUSE until you are ready to get rid of it completly.