: Right-click the file and select "Extract Here." The software will automatically pull data from all parts (including part03) to recreate the original document or folder.
If you are looking for a physical "paper" or guide for this specific expansion, it is likely a digital PDF manual or an installation "ReadMe" document contained within that archive. sc22287-TS4HSY.part03.rar
: Open the first part (usually .part01 or .rar) using software like WinRAR or 7-Zip . : Right-click the file and select "Extract Here
The specific file name appears to be a segmented archive related to The Sims 4: High School Years (TS4HSY) expansion pack. sc22287-TS4HSY.part03.rar