1 Extract files to any folder. Eg: C:\nup\
2 Open Eset NOD32 Antivirus
3 Press F5
4 Click Update on the left
5 Click Edit on Update Server
6 Enter path of the folder where you extract the update files. Eg: C:\nup\
7 Click Add
8 Click OK
9 Click OK again
10 Click Update on the left
11 Click Update Virus Signature Database