Go to "Appdata" then open apexcoin. (To find your Appdata folder - Press the Windows key and R, then type in Appdata and hit Enter or Return. There you go, your AppData folder. Delete everything in there apart from the wallet.dat file (DO NOT DELETE wallet.dat) Then unzip the bootstrap file you will find in the link into the apexcoin folder. https://github.com/apexdev/apexcoin/releases/download/v2.3.3/bootstrap_apex_466625.zip Start the Apex wallet. Let it sync you will only see the start up logo for a long time ( You will not see the wallet until it is done syncing)