With this patched Client of Xinzhizao Tool you can SAVE pdf files to your pc and open them offline, patch also can also download PCB FILES*** 
Version: 4.293 4.3 (Updated 1/1/23) 4.4 (Updated 5/4/23)
Server: Global/China
Language: English/Chinese
File size: 48.8MB
Include PDF Passwords List, and 6 (Six) Months of Future Updates.
Content Type: VIP
*** Now Patch can Save PCB FILES (Still needs Embedded Viewer from XZZ, however this function can be useful for reverse PCB FILES)
*** Still needs a VIP ACCOUNT FROM XZZ TO DOWNLOAD ***