ow mokuth softwares amuthuwen daaganna epa, winrar ekenma puluwan, 7zip install karala thiyenawanam ekenuth puluwan.
Rar.part1 eka 7zip walin hari winrar walin hari open karala or right click karala extract gihin extract karaganna

ethakota okkoma files walin extract wenawa.
Rar nathiwa .001 ,002 wage widiyata nam thiyenne hjsplit or linux nam lxsplit eken join karaganin
CLI eken puluwan onnam hjsplit or lxsplit wage softwares nodaath
windows wala nam
Step1: Start > Run > Type CMD to run Command Prompt
Step2: Use CD to connect to the folder that contain your .001, .002, … files.
Step3: Type this command to join files :
COPY /B file1.rar.001+file1.rar.002 file1.rar
in linux :
Step1: Application > Accessories > Terminal
Step2: Use cd to connect to the folder that contain your .001, .002, … files.
step3: Type this command to join files :
#cat file1.rar.001>> file.rar
#cat file1.rar.002>> file.rar