Patent attributes
An application software installation method includes: accessing, by a device, a server; receiving, by the device, an editing operation of a user for a to-be-installed application set in the server, where the to-be-installed application set includes N application software identifiers, where N is a positive integer, the N application software identifiers are used to indicate corresponding to-be-installed application software, and the to-be-installed application software is application software backed up by another device in the server; and sending, by the device, an editing instruction for the to-be-installed application set to the server based on the editing operation, where the editing instruction is used to instruct the server to add an application software identifier to the to-be-installed application set and/or delete an application software identifier from the to-be-installed application set, so that the server obtains an updated to-be-installed application set.