: Right-click the file and select "Extract files." Some archive creators include a password hint that might trigger your memory.
: Some creators include a hint within the archive properties. Right-click the file, select "Extract files," and look for any text in the dialog box that might offer a clue.
# Extract hash from RAR file rar2john target.rar > hash.txt
Systematically tries every possible combination of characters.
This method is a DIY approach that creates a simple command-line tool to "guess" passwords. It is generally only effective for purely numeric passwords. Create a new Text Document on your desktop.
: Test variations of passwords you frequently use for other accounts.
hashcat -m 13000 -w 3 -a 3 target.rar hash?d?d?d?d?d?d?d (tries 8 numeric digits)