The first method can use, those who originally installed the English "Photoshop", and then put the crack. Click the menu item Edit > Preferences > General (or use the hotkey Ctrl+K), select the Interface tab, locate the "Settings for user interface text" and a drop-down menu "Language" select "English". To put changes into effect, click OK. however, this method will not work to use if you are installing Adobe Photoshop indicated Russian language. However, this situation also there is a way - you can go to the bypass interface and to delve into the system files.
If you have Adobe Photoshop open, close it, start Windows Explorer and go to C:\Program Files\Adobe\Adobe Photoshop CS5\Locales\en_us\Support Files. Keep in mind that the program may be installed in another place (not on disk) and have another version (not CS5), so edit the path specified above in accordance with your situation. Create in this directory a new folder with any name. Find the file tw10428.dat, cut it and paste it in the newly created folder. Now open Adobe Photoshop and watch how the UI flaunts the English letters.
If you want to re-Russify a program, close it and copy the file tw10428.dat back into the folder C:\Program Files\Adobe\Adobe Photoshop CS5\Locales\en_us\Support Files.