Steps to install IBMLotusNotes mailbox client correctly: 1. Copy or download the IBMLotusNotes8.5 mailbox client software to the local disk. Special note: the storage path of the installation file cannot contain Chinese characters, otherwise the progress bar will automatically roll back during the installation process, resulting in the installation failure. Solution: Copy the installation file to the English directory, and the file path cannot contain Chinese characters. 2. Click Install in the installation folder to install the program. When the installation wizard appears, click Next. Select I accept the terms of this license agreement, and then click Next. 3. Enter "User Information" and click "Next", select the installation path of programs and data (please select English path) and then click "Next". 4. Select the installation component. If only Notes email client is installed, just select NotesClient and click Install in the next dialog box to start installing the software. 5. The installation progress will appear. If there are Chinese characters in the storage path of the installation file in step 1, the progress bar of the installation process will automatically roll back, resulting in the installation failure.