Oracle Database Jobs

Hi as a hobby i want to run my old oracle projects on oracle 12 / win10 pro However i can not insall sqldeveloper. It seems when i google i mix : sqldeveloper 32 bit (which can be used for oracle 64 bit) and sqldevolper 64 bit, and if it have jave included in the install or not. But no matter i simply cant find the correct procedure. Even when "choosing the java" a list turns up with jave install, and folder, but i cant make it work it seems only skills at windows 10 , java, sqldevoper is needed, but i had to find 5 skills

I am looking for creating an Excel Database in excel which shall contain below 1) All data stored in excel 2) Manage new data addition using buttons and pivot tables 3) Print from excel in pdf format 4) Update any new data with new date automatically in excel 5) User friendly Raw data is available with with raw data I need to create a datasbase type software in excel spreadsheet Only experienced person please inbox me The detailed discussion shall be done over call to avoid any confusion Inbox me only those who are willing to provide there contact details to discuss