These .nup files are incremental updates. Manually applying them requires technical expertise. The Offline Update Tool is far simpler.
ESET does not rely on a single server. It uses a global and a hierarchical mirror system. eset nod32 update server list free link
These .nup files are by ESET. If a single bit is altered, the client rejects the update and throws an error: “Invalid digital signature.” eset nod32 update server list free link
ESET offers fully functional, free 30-day trial versions for new users. This grants access to the official, secure update servers. eset nod32 update server list free link
Malicious actors may set up "free" update servers to inject malware into your computer instead of legitimate definitions.
In the "Update server" field, paste your or custom URL. Click Add and then OK . 4. Force a Manual Update