English Standard Version
And when the thousand years are ended, Satan will be released from his prison

American Standard Version
And when the thousand years are finished, Satan shall be loosed out of his prison,

Berean Study Bible
When the thousand years are complete, Satan will be released from his prison,

Douay-Rheims Bible
And when the thousand years shall be finished, Satan shall be loosed out of his prison, and shall go forth, and seduce the nations, which are over the four quarters of the earth, Gog, and Magog, and shall gather them together to battle, the number of whom is as the sand of the sea.

English Revised Version
And when the thousand years are finished, Satan shall be loosed out of his prison,

King James Bible
And when the thousand years are expired, Satan shall be loosed out of his prison,

World English Bible
And after the thousand years, Satan will be released from his prison,

Young's Literal Translation
And when the thousand years may be finished, the Adversary shall be loosed out of his prison,

Revelation 20:7 Additional Translations ...