Do you have of the pack, or are you missing Part 1?
You need a file archiver that supports the .rar format. Popular free and paid options include: : The native tool for .rar files. SPECIAL1151_PACK4.part2.rar
: Right-click on SPECIAL1151_PACK4.part1.rar . Always start with Part 1 , even though your question mentioned Part 2. Choose Extraction Method : Do you have of the pack, or are you missing Part 1