There can be 2 cases
1.Copy Whole Tally Software
2. Copy Tally Data
1.Copy Whole Tally Software
Copy whole Tally 9 Folder in Pendrive
It will be in C drive or D Drive
(Copy whole folder and not shortcut)
Go to Other computer
Paste in D Drive or C drive
Open folder
It will have tally icon
Right click it and Send to desktop
Now u can use it from desktop
2. Copy Tally Data
To copy tally data,refer