I'm not sure if Windows can do the same as a Mac but....
save your first PDF named as you would like it then make the next PDF but when the "Save" dialogue window is open click on the name of the first PDF. It will then name your new file with the same name which you can then alter to what you want eg.
Project name Level +00
changes to
Project name Level +01
By changing the last digit
AC versions 3.41 to 25 (UKI Full 5005).
Using AC25 5005 UKI FULL
Mac OSX 10.15.7 (19G2021) Mac Pro-2013 32gbRam AMD FirePro D500 3072 MB graphics