Open Regional and Language Options in Control Panel.
On the Languages tab, under Text services and input languages, click Details.
Under Preferences, click Key Settings.
In the Advanced Key Settings dialog box, under Hot keys for input languages, click the action for which you want to change the key sequence, and then click Change Key Sequence.
If necessary, select the check box to enable an action, and then click the key sequence you want to use.
Click OK four times.
To open Regional and Language Options, click Start, click Control Panel, click Date, Time, Language, and Regional Options, and then click Regional and Language Options.
The Key Settings button is available only if you have added multiple languages or keyboard layouts.
Switch languages or keyboards from the Language bar
Switch languages or keyboards from the taskbar
Add another language