Hi there! Welcome to the Partitioning Guide!

Step 1. Think

First, think about how big your partitions are gonna be.

I chose about 195 GB for Linux and about 989 GB for Windows. (C drive + D drive)

I reccomend at least 500 to 600 GB for Windows and at least 150 to 200 GB for Linux. You can switch these up if you want, giving Linux more space.

Step 2. Shrink

Now, shrink the volume of a big partition IF YOU HAVE SPACE.

MAKE SURE YOU DON'T TOUCH ANY EFI BOOT PARTITION.

If you have a big unallocated space, good! Move forward!